Cleaning The Unit; Do Not Use The Headset Near Medical Devices; From - Sony WH-CH710N Help Manual

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.
When using the unit around a sink, etc.
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
When using the unit while you are sweaty
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.

Cleaning the unit

When the outside of the unit is dirty, clean it by wiping with a soft dry cloth. If the unit is particularly dirty, soak a cloth
in a dilute solution of neutral detergent, and wring it well before wiping. Do not use solvents such as thinner,
benzene, or alcohol, as they may damage the surface.

Do not use the headset near medical devices

Radio waves can affect cardiac pacemakers and medical devices. Do not use the headset in crowded places such as
crowded trains or inside a medical institution.
The headset (including accessories) has magnet(s) which may interfere with pacemakers, programmable shunt
valves for hydrocephalus treatment, or other medical devices. Do not place the headset close to persons who use
such medical devices. Consult your doctor before using the headset if you use any such medical device.
Keep the headset away from the magnetic card
The headset uses magnets. If you bring a magnetic card close to the headset, the card magnet may be affected and
become unusable.
5-013-896-11(1) Copyright 2020 Sony Corporation
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