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Sony WI-XB400 Help Manual
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Sony WI-XB400 Help Manual

Wireless stereo headset
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Help Guide
Wireless Stereo Headset
WI-XB400
Use this manual if you encounter any problems, or have any questions.
Getting started
What you can do with the Bluetooth function
About the voice guidance
Supplied accessories
Checking the package contents
Replacing the earbuds
When you have finished using the headset
Parts and controls
Location and function of parts
About the indicator
Power/Charging
Charging the headset
Available operating time
1

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Summary of Contents for Sony WI-XB400

  • Page 1 Help Guide Wireless Stereo Headset WI-XB400 Use this manual if you encounter any problems, or have any questions. Getting started What you can do with the Bluetooth function About the voice guidance Supplied accessories Checking the package contents Replacing the earbuds...
  • Page 2 Checking the remaining battery charge Turning on the headset Turning off the headset Making connections How to make a wireless connection to Bluetooth devices Android smartphone Pairing and connecting with an Android smartphone Connecting to a paired Android smartphone iPhone (iOS devices) Pairing and connecting with an iPhone Connecting to a paired iPhone Computers...
  • Page 3 Listening to music via a Bluetooth connection Listening to music from a device via Bluetooth connection Controlling the audio device (Bluetooth connection) Disconnecting Bluetooth connection (after use) Supported codecs Making phone calls Receiving a call Making a call Functions for a phone call Disconnecting Bluetooth connection (after use) Using the voice assist function Using the voice assist function (Google app)
  • Page 4 The Bluetooth wireless communication range is short, or the sound skips. The headset does not operate properly. Cannot hear a person on a call. Low voice from callers Resetting or initializing the headset Resetting the headset Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 5: What You Can Do With The Bluetooth Function

    You can receive audio signals from a smartphone or music player to enjoy music wirelessly. Talking on the phone You can make and receive calls hands-free, while leaving your smartphone or mobile phone in your bag or pocket. 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 6 Use it as a rough estimate.) / “Battery fully charged” When the remaining battery charge is low: “Low battery, please recharge headset” When automatically turning off due to low battery: “Please recharge headset. Power off” 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 7: Checking The Package Contents

    USB Type-C™ cable (USB-A to USB-C™) (approx. 20 cm (7.88 in.)) (1) Hybrid silicone rubber earbuds (S/M/L 2 each) M-sized earbuds come attached to the headset. S size: 2 lines M size: 3 lines L size: 4 lines 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 8: Replacing The Earbuds

    Remove the earbuds. Do not pinch the end of the earbud when removing it. Attach the earbuds. Firmly insert the earbuds all the way. Do not attach the earbuds in a loose or skewed manner. 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 9 When you have finished using the headset The headset has a built-in magnet for joining the left and right units. The magnet prevents the units from getting tangled up when you leave the neckband worn after use. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 10: Location And Function Of Parts

    Help Guide Wireless Stereo Headset WI-XB400 Location and function of parts Earbuds Right unit Clasp the left and right units with the built-in magnet. Built-in rechargeable battery Left unit Clasp the left and right units with the built-in magnet. Tactile dot There is a tactile dot on the left unit.
  • Page 11 - (volume -)/ (previous) button Related Topic About the indicator Checking the remaining battery charge 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 12: About The Indicator

    Help Guide Wireless Stereo Headset WI-XB400 About the indicator You can check various statuses of the headset by the indicator. : Turns on in blue / : Turns on in red / -: Turns off Turning on (flashes twice in blue) In this case, when the remaining battery charge is 20% or lower (requires charging), the indicator lights successively as follows.
  • Page 13 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 14: Charging The Headset

    Help Guide Wireless Stereo Headset WI-XB400 Charging the headset The headset contains a built-in lithium-ion rechargeable battery. Use the supplied USB Type-C cable to charge the headset before use. Open the USB Type-C port cover. Connect the headset to an AC outlet.

  • Page 15: Personal Computer

    If the headset detects a problem while charging due to the following causes, the indicator (red) flashes. In this case, charge once again within the charging temperature range. If the problem persists, consult your nearest Sony dealer. Ambient temperature exceeds the charging temperature range of 5 °C - 35 °C (41 °F - 95 °F).

  • Page 16: Available Operating Time

    About 60 minutes of music playback is possible after 10 minutes charging. Communication time: Max. 15 hours Standby time: Max. 200 hours Note Usage hours may be different depending on the conditions of use. Related Topic Supported codecs 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 17: Checking The Remaining Battery Charge

    Help Guide Wireless Stereo Headset WI-XB400 Checking the remaining battery charge You can check the remaining battery charge of the rechargeable battery. When you turn on the headset, the voice guidance indicating the remaining battery charge can be heard. “Battery about XX %” (The “XX” value indicates the approximate remaining charge.) “Battery fully charged”...
  • Page 18 The remaining battery charge may not be properly displayed if the headset has not been used for a long time. In this case, repeatedly charge and discharge the battery multiple times to properly display the remaining battery charge. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 19: Turning On The Headset

    Help Guide Wireless Stereo Headset WI-XB400 Turning on the headset Press and hold the (power) button for about 2 seconds until the indicator (blue) flashes. Related Topic Turning off the headset 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 20: Turning Off The Headset

    Help Guide Wireless Stereo Headset WI-XB400 Turning off the headset Press and hold the (power) button for about 2 seconds until the indicator (blue) turns off. Related Topic Turning on the headset 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 21: How To Make A Wireless Connection To Bluetooth Devices

    Connecting to a paired device Once a device and the headset are paired, there is no need to pair them again. Connect to devices already paired with the headset using the methods necessary for each device. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 22: Pairing And Connecting With An Android Smartphone

    Help Guide Wireless Stereo Headset WI-XB400 Pairing and connecting with an Android smartphone The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
  • Page 23 If they are not connected, see “Connecting to a paired Android smartphone”. If [WI-XB400] does not appear on the Android smartphone screen, try again from the beginning of step 3. A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”. Hint The operation above is an example.
  • Page 24 How to make a wireless connection to Bluetooth devices Connecting to a paired Android smartphone Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 25: Connecting To A Paired Android Smartphone

    Help Guide Wireless Stereo Headset WI-XB400 Connecting to a paired Android smartphone Unlock the screen of the Android smartphone if it is locked. Turn on the headset. Press and hold the (power) button for about 2 seconds. Check that the indicator (blue) continues to flash after you release your finger from the button. You will hear the voice guidance say, “Power on”.
  • Page 26 As for the operations on your smartphone, refer to the operating instructions supplied with the smartphone. Related Topic How to make a wireless connection to Bluetooth devices Pairing and connecting with an Android smartphone Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 27: Pairing And Connecting With An Iphone

    Help Guide Wireless Stereo Headset WI-XB400 Pairing and connecting with an iPhone The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
  • Page 28 If they are not connected, see “Connecting to a paired iPhone ”. If [WI-XB400] does not appear on the display of the iPhone, try again from the beginning of step 3. A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”. Hint The operation above is an example.
  • Page 29 How to make a wireless connection to Bluetooth devices Connecting to a paired iPhone Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 30: Connecting To A Paired Iphone

    Help Guide Wireless Stereo Headset WI-XB400 Connecting to a paired iPhone Unlock the screen of the iPhone if it is locked. Turn on the headset. Press and hold the (power) button for about 2 seconds. Check that the indicator (blue) continues to flash after you release your finger from the button. You will hear the voice guidance say, “Power on”.
  • Page 31 As for the operations on your iPhone, refer to the operating instructions supplied with the iPhone. Related Topic How to make a wireless connection to Bluetooth devices Pairing and connecting with an iPhone Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 32: Pairing And Connecting With A Computer (Windows 10)

    Help Guide Wireless Stereo Headset WI-XB400 Pairing and connecting with a computer (Windows 10) The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
  • Page 33 Click the [Bluetooth] tab, click the [Bluetooth] switch to turn on the Bluetooth function, then select [WI-XB400]. Click [Pair]. If Passkey (*) input is required, input “0000”. The headset and computer are paired and connected with each other. You will hear the voice guidance say,...
  • Page 34 If they are not connected, see “Connecting to a paired computer (Windows 10)”. If [WI-XB400] does not appear on the display of the computer, try again from the beginning of step 3. A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”. Hint The operation above is an example.
  • Page 35 Help Guide Wireless Stereo Headset WI-XB400 Pairing and connecting with a computer (Windows 8.1) The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
  • Page 36 Select [Change PC Settings] of the [Settings] charm. Select [PC and devices] of [PC Settings]. Select [Bluetooth]. Select [WI-XB400], then select [Pair].
  • Page 37 If they are not connected, see “Connecting to a paired computer (Windows 8.1)”. If [WI-XB400] does not appear on the display of the computer, try again from the beginning of step 3. A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”. Hint The operation above is an example.

  • Page 38: Pairing And Connecting With A Computer (Windows 7)

    Help Guide Wireless Stereo Headset WI-XB400 Pairing and connecting with a computer (Windows 7) The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
  • Page 39 If they are not connected, see “Connecting to a paired computer (Windows 7)”. If [WI-XB400] does not appear on the display of the computer, try again from the beginning of step 3. A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”. Hint The operation above is an example.
  • Page 40 How to make a wireless connection to Bluetooth devices Connecting to a paired computer (Windows 7) Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 41 Help Guide Wireless Stereo Headset WI-XB400 Pairing and connecting with a computer (Mac) The operation to register the device that you wish to connect to is called “pairing”. First, pair a device to use it with the headset for the first time.
  • Page 42 “Connecting to a paired computer (Mac)”. If [WI-XB400] does not appear on the display of the computer, try again from the beginning of step 3. A Passkey may be called “Passcode”, “PIN code”, “PIN number”, or “Password”. Click the speaker icon in the upper right part of the screen and select [WI-XB400].
  • Page 43 How to make a wireless connection to Bluetooth devices Connecting to a paired computer (Mac) Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 44: Connecting To A Paired Computer (Windows 10)

    Help Guide Wireless Stereo Headset WI-XB400 Connecting to a paired computer (Windows 10) Before starting the operation, make sure of the following: Depending on the computer you are using, the built-in Bluetooth adaptor may need to be turned on. If you do not know how to turn on the Bluetooth adaptor or are unsure if your computer has a built-in Bluetooth adaptor, refer to the operating instructions supplied with the computer.
  • Page 45 Right-click [WI-XB400]. If [WI-XB400] is not displayed on the [Sound] screen, right-click on the [Sound] screen, then select [Show Disconnected Devices]. Select [Connect] from the displayed menu. The connection is established. You will hear the voice guidance say, “Bluetooth connected”.
  • Page 46 For information on how to establish it on your computer, refer to the operating instructions supplied with the computer. Related Topic How to make a wireless connection to Bluetooth devices Pairing and connecting with a computer (Windows 10) Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 47 Help Guide Wireless Stereo Headset WI-XB400 Connecting to a paired computer (Windows 8.1) Before starting the operation, make sure of the following: Depending on the computer you are using, the built-in Bluetooth adaptor may need to be turned on. If you do not know how to turn on the Bluetooth adaptor or are unsure if your computer has a built-in Bluetooth adaptor, refer to the operating instructions supplied with the computer.
  • Page 48 Right-click [WI-XB400]. If [WI-XB400] is not displayed on the [Sound] screen, right-click on the [Sound] screen, then select [Show Disconnected Devices]. Select [Connect] from the displayed menu.
  • Page 49 The connection is established. You will hear the voice guidance say, “Bluetooth connected”. Hint The operation above is an example. For more details, refer to the operating instructions supplied with the computer. Note If the music playback sound quality is poor, check that the A2DP function which supports music playback connections is enabled in the computer settings.
  • Page 50 Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 51: Connecting To A Paired Computer (Windows 7)

    If it has automatically connected to the last connected device, you will hear the voice guidance say, “Bluetooth connected”. Check the connection status on the computer. If it is not connected, proceed to step 3. Select the headset using the computer. Click the [Start] button, then [Devices and Printers]. Double-click [WI-XB400] of [Devices].
  • Page 52 For information on how to establish it on your computer, refer to the operating instructions supplied with the computer. Related Topic How to make a wireless connection to Bluetooth devices Pairing and connecting with a computer (Windows 7) Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 53 Help Guide Wireless Stereo Headset WI-XB400 Connecting to a paired computer (Mac) Compatible OS macOS (version 10.10 or later) Before starting the operation, make sure of the following: Depending on the computer you are using, the built-in Bluetooth adaptor may need to be turned on. If you do not know how to turn on the Bluetooth adaptor or are unsure if your computer has a built-in Bluetooth adaptor, refer to the operating instructions supplied with the computer.
  • Page 54 Select [ (System Preferences)] - [Bluetooth] from the task bar in the lower right part of the screen. Click [WI-XB400] on the Bluetooth screen while pressing the computer Control button and select [Connect] from the pop up menu. You will hear the voice guidance say, “Bluetooth connected”.
  • Page 55 For information on how to establish it on your computer, refer to the operating instructions supplied with the computer. Related Topic How to make a wireless connection to Bluetooth devices Pairing and connecting with a computer (Mac) Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 56: Pairing And Connecting With Other Bluetooth Devices

    Perform the pairing procedure on the Bluetooth device to search for this headset. [WI-XB400] will be displayed on the list of detected devices on the screen of the Bluetooth device. If it is not displayed, repeat from step 1.
  • Page 57 How to make a wireless connection to Bluetooth devices Connecting to a paired Bluetooth device Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 58: Connecting To A Paired Bluetooth Device

    Help Guide Wireless Stereo Headset WI-XB400 Connecting to a paired Bluetooth device Turn on the headset. Press and hold the (power) button for about 2 seconds. Check that the indicator (blue) continues to flash after you release your finger from the button. You will hear the voice guidance say, “Power on”.
  • Page 59 Related Topic How to make a wireless connection to Bluetooth devices Pairing and connecting with other Bluetooth devices Listening to music from a device via Bluetooth connection Disconnecting Bluetooth connection (after use) 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 60 If the smartphone or mobile phone was connected with the headset last time, an HFP or HSP connection is automatically established when the headset is turned on, and in some cases an A2DP connection is simultaneously established. In that case, connect from step 2 after disconnecting via smartphone/mobile phone operations. 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 61 On the smartphone connected to the headset, uncheck either [Call audio] (HFP) or [Media audio] (A2DP). Operation example: For connecting only through media audio (A2DP) Touch [Settings] - [Device connection] - [Bluetooth] - the setting icon next to [WI-XB400]. On the [Paired devices] screen, uncheck [Call audio].
  • Page 62 When using multipoint connection, the remaining battery charge of the headset will not be correctly displayed on the screen of the device that is connected with “Media audio” (A2DP). Related Topic Checking the remaining battery charge 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 63 On the smartphone connected to the headset, uncheck either [Call audio] (HFP) or [Media audio] (A2DP). Operation example: For connecting only through media audio (A2DP) Touch [Settings] - [Device connection] - [Bluetooth] - the setting icon next to [WI-XB400]. On the [Paired devices] screen, uncheck [Call audio].
  • Page 64 When using multipoint connection, the remaining battery charge of the headset will not be correctly displayed on the screen of the device that is connected with “Media audio” (A2DP). Related Topic Checking the remaining battery charge 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 65: Disconnecting Bluetooth Connection (After Use)

    Turn off the headset. You will hear the voice guidance say, “Power off”. Hint When you finish playing music, the Bluetooth connection may terminate automatically depending on the Bluetooth device. Related Topic Turning off the headset 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 66 Help Guide Wireless Stereo Headset WI-XB400 Listening to music from a device via Bluetooth connection If your Bluetooth device supports the following profiles, you can enjoy listening to music and perform basic remote control operation of the device from your headset via Bluetooth connection.
  • Page 67 If the communication condition is poor, the Bluetooth device may react incorrectly to the operation on the headset. Related Topic How to make a wireless connection to Bluetooth devices Controlling the audio device (Bluetooth connection) 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 68: Controlling The Audio Device (Bluetooth Connection)

    If the communication condition is poor, the Bluetooth device may react incorrectly to the operation on the headset. The available functions may vary depending on the connected device. In some cases, it may operate differently or may not work at all even when the operations described above are performed. 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 69 Turn off the headset. You will hear the voice guidance say, “Power off”. Hint When you finish playing music, the Bluetooth connection may terminate automatically depending on the Bluetooth device. Related Topic Turning off the headset 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 70: Supported Codecs

    SBC is the standard audio coding technology used in Bluetooth devices. All Bluetooth devices support SBC. This is an abbreviation for Advanced Audio Coding. AAC is mainly used in Apple products such as iPhone that can provide a higher sound quality than that of SBC. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 71: Receiving A Call

    Help Guide Wireless Stereo Headset WI-XB400 Receiving a call You can enjoy a hands-free call with a smartphone or mobile phone that supports the Bluetooth profile HFP (Hands-free Profile) or HSP (Headset Profile), via Bluetooth connection. If your smartphone or mobile phone supports both HFP and HSP, set it to HFP.
  • Page 72 Related Topic How to make a wireless connection to Bluetooth devices Making a call Functions for a phone call 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 73: Making A Call

    Help Guide Wireless Stereo Headset WI-XB400 Making a call You can enjoy a hands-free call with a smartphone or mobile phone that supports the Bluetooth profile HFP (Hands-free Profile) or HSP (Headset Profile), via Bluetooth connection. If your smartphone or mobile phone supports both HFP and HSP, set it to HFP.
  • Page 74 Related Topic How to make a wireless connection to Bluetooth devices Receiving a call Functions for a phone call 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 75: Functions For A Phone Call

    Help Guide Wireless Stereo Headset WI-XB400 Functions for a phone call The functions available during a call may vary depending on the profile supported by your smartphone or mobile phone. In addition, even if the profile is the same, the functions may vary depending on the smartphone or mobile phone.
  • Page 76 Receiving a call Making a call 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 77 Turn off the headset. You will hear the voice guidance say, “Power off”. Hint When you finish playing music, the Bluetooth connection may terminate automatically depending on the Bluetooth device. Related Topic Turning off the headset 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 78 Help Guide Wireless Stereo Headset WI-XB400 Using the voice assist function (Google app) By using the Google app feature that comes with the Android smartphone, you can speak to the headset’s microphone to operate the Android smartphone. Set the assist and voice input selection to the Google app.
  • Page 79 The Google app may not be activated depending on specifications of the smartphone or application version. The Google app does not work when connected to a device not compatible with the voice assist function. Be careful because the headset will turn off when you press and hold the (play/call) button. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 80: Using The Voice Assist Function (Siri)

    Help Guide Wireless Stereo Headset WI-XB400 Using the voice assist function (Siri) By using the Siri feature that comes with iPhone, you can speak to the headset’s microphone to operate the iPhone. Turn Siri on. On iPhone, select [Settings] - [Siri & Search] to turn [Press Home for Siri] and [Allow Siri When Locked] on.
  • Page 81 Siri may not be activated depending on specifications of the smartphone or application version. Siri does not work when connected to a device not compatible with the voice assist function. Be careful because the headset will turn off when you press and hold the (play/call) button. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 82: Other Notes

    Bluetooth wireless technology. However, depending on the configured settings and other factors, this security may not be sufficient. Be careful when communicating using Bluetooth wireless technology. Sony shall assume no responsibility for any damages or loss resulting from information leaks that occur when using Bluetooth communications.
  • Page 83 The unit is not waterproof. If water or foreign objects enter the unit, it may result in fire or electric shock. If water or a foreign object enters the unit, stop use immediately and consult your nearest Sony dealer. In particular, be careful in the following cases.
  • Page 84 Google, Android and Google Play are trademarks of Google LLC. The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Sony Corporation is under license. USB Type-C™ and USB-C™ are trademarks of USB Implementers Forum.

  • Page 85: Customer Support Websites

    Help Guide Wireless Stereo Headset WI-XB400 Customer support websites For customers in the U.S.A, Canada, and Latin America: https://www.sony.com/am/support For customers in European countries: https://www.sony.eu/support For customers in China: https://service.sony.com.cn For customers in other countries/regions: https://www.sony-asia.com/support 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 86: What Can I Do To Solve A Problem

    This operation resets volume settings, etc. to the factory settings, and deletes all pairing information. Look up information on the issue on the customer support website. If the operations above do not work, consult your nearest Sony dealer. Related Topic...
  • Page 87 Make sure the battery is fully charged. The headset cannot be turned on while charging the battery. Remove the USB Type-C cable and turn on the headset. Related Topic Charging the headset Checking the remaining battery charge 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 88: Charging Cannot Be Done

    Make sure that the USB AC adaptor is firmly connected to the AC outlet. Check that the computer is turned on. Wake the computer up if the computer is on standby (sleep) or hibernation mode. When using Windows 8.1, update using Windows Update. Related Topic Charging the headset 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 89: Charging Time Is Too Long

    Charging time is too long. Check that the headset and the computer are directly connected, not via a USB hub. Check that you are using the supplied USB Type-C cable. Related Topic Charging the headset 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 90 There may be a problem with the USB port of the connected computer. Try connecting to another USB port on the computer if one is available. Try the USB connection procedure again in cases other than those stated above. 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 91 (OS 8.1 or later) can display the remaining battery charge. Check that the smartphone is connected with HFP. If the smartphone is not connected with HFP, the remaining battery charge will not be correctly displayed. Related Topic Checking the remaining battery charge 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 92 If you are connecting a computer to the headset, make sure the audio output setting of the computer is set for a Bluetooth device. Pair the headset and the Bluetooth device again. Related Topic How to make a wireless connection to Bluetooth devices Listening to music from a device via Bluetooth connection 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 93: Low Sound Level

    Help Guide Wireless Stereo Headset WI-XB400 Low sound level Turn up the volume of the headset and the connected device. Connect the Bluetooth device to the headset once again. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 94: Low Sound Quality

    (play) button on the headset once during playback. Or use the computer to establish an A2DP connection. For information on how to establish it on your computer, refer to the operating instructions supplied with the computer. 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 95 Use this headset and the Bluetooth device as near to each other as possible. If you are enjoying music with your smartphone, the situation may be improved by shutting down unnecessary apps or restarting your smartphone. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 96: Pairing Cannot Be Done

    (iPhone or other device). In this case, delete the pairing information for the headset from the device and pair them again. Related Topic About the indicator How to make a wireless connection to Bluetooth devices Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 97: Unable To Make A Bluetooth Connection

    If the pairing information for the headset has been deleted on the Bluetooth device, pair the headset with the device again. Related Topic About the indicator How to make a wireless connection to Bluetooth devices 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 98: Distorted Sound

    Help Guide Wireless Stereo Headset WI-XB400 Distorted sound Keep the headset away from a microwave oven, wireless LAN device, etc. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 99: The Bluetooth Wireless Communication Range Is Short, Or The Sound Skips

    Use this headset and the Bluetooth device as near to each other as possible. If you are enjoying music with your smartphone, the situation may be improved by shutting down unnecessary apps or restarting your smartphone. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 100: The Headset Does Not Operate Properly

    Reset the headset. This operation does not delete pairing information. If the headset does not operate properly even if you reset the headset, initialize the headset. Related Topic Resetting the headset Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...
  • Page 101 If you are listening to music with the headset, stop playback and press the (call) button to respond to an incoming call. Related Topic How to make a wireless connection to Bluetooth devices Receiving a call Making a call 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 102: Low Voice From Callers

    Help Guide Wireless Stereo Headset WI-XB400 Low voice from callers Turn up the volume of the headset and the connected device. 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 103: Resetting The Headset

    To charge the headset after resetting, disconnect and reconnect the USB Type-C cable. If the headset does not operate correctly even after resetting, initialize the headset to restore factory settings. Related Topic Initializing the headset to restore factory settings 5-004-986-11(1) Copyright 2019 Sony Corporation...

  • Page 104: Initializing The Headset To Restore Factory Settings

    In this case, delete the pairing information for the headset from the device and then pair them again. If the headset does not operate correctly even after initializing, consult your nearest Sony dealer. 5-004-986-11(1) Copyright 2019 Sony Corporation...

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