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Wireless Noise Canceling Stereo Headset
Reference Guide
https://rd1.sony.net/help/mdr/2966/h_zz/
©2023 Sony Corporation
Printed in China
https://www.sony.net/
WH-CH720N
5-045-498-71(1)
Model: YY2966
The term "product" in this document refers to the
unit or its accessories.
Do not install the product in a confined space,
such as a bookcase or built-in cabinet.
Do not expose the batteries (battery pack or
batteries installed) to excessive heat, such as
sunshine, fire or the like, for a long time.
Do not subject the batteries to extreme low
temperature conditions that may result in
overheating and thermal runaway.
Do not dismantle, open, or shred secondary
batteries.
In the event of a secondary battery leaking, do
not allow the liquid to come in contact with the
skin or eyes. If contact has been made, wash the
affected area with copious amounts of water and
seek medical advice.
Secondary batteries need to be charged before
use. Always refer to the manufacturer's
instructions or product manual for proper
charging instructions.
After extended periods of storage, it may be
necessary to charge and discharge the
secondary batteries several times to obtain
maximum performance.
Dispose of properly.
This unit has been tested and found to comply
with the limits set out in the EMC regulation
using a connection cable shorter than 3 m.
Do not use, store, or leave in a place subject to
high amounts of humidity, dust, smoke, or
steam, or in a place subject to high temperatures,
such as near a fire or a location subject to direct
sunlight, such as in a car.
High volume may adversely affect your hearing.
Do not use the unit while walking, driving, or
cycling. Doing so may cause traffic accidents.
Do not use in hazardous areas unless the
surrounding sound can be heard.
The unit is not waterproof. If water or foreign
matter enters the unit, it may result in fire or
electric shock. If water or foreign matter enters
the unit, stop use immediately and consult your
nearest Sony dealer. In particular, be careful in
the following cases.
• When using the unit near a sink or liquid
container
Be careful that the unit does not fall into a sink
or container filled with water.
• When using the unit in the rain or snow, or in
humid locations
Model: YY2966
• When using the unit while you are perspiring
If you touch the unit with wet hands, or put the
unit in the pocket of a damp article of clothing,
the unit may get wet.
For details on the effects of contact with the
human body from the mobile phone or other
wireless devices connected to the unit, refer to
the instruction manual of the wireless device.
Never insert the USB plug when the unit or
charging cable is wet. If the USB plug is inserted
while the unit or charging cable is wet, a short
circuit may occur due to liquid (tap water,
seawater, soft drink, etc.) or foreign matter on
the unit or charging cable, and cause abnormal
heat generation or malfunction.
This product has magnet(s) which may interfere
with pacemakers, programmable shunt valves for
hydrocephalus treatment, or other medical
devices. Do not place this product close to
persons who use such medical devices. Consult
your doctor before using this product if you use
any such medical device.
This product has magnets. Placing magnetic
stripe cards in the vicinity of the product may
affect the magnetism of the card and render it
unusable.
Note about static electricity
If you use the unit when the air is dry, you may
experience discomfort due to static electricity
accumulated on your body. This is not a
malfunction of the unit. You can reduce the
effect by wearing clothes made of natural
materials that do not easily generate static
electricity.
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Summary of Contents for Sony WH-CH720N
- Page 1 If water or foreign matter enters the unit, stop use immediately and consult your nearest Sony dealer. In particular, be careful in the following cases. ©2023 Sony Corporation •...
- Page 2 Bluetooth SIG, 108 dB/mW (when connecting via the manual, please consult your nearest Sony Inc. and any use of such marks by Sony Group headphone cable with the unit turned on) dealer. Corporation and its subsidiaries is under 99 dB/mW (when connecting via the license.