Help Guide
Wireless Noise Canceling Stereo Headset
WH-1000XM4
Charging the headset
Warning
The headset is not waterproof. If water or foreign matter enters the headset, it may result in fire or electric shock. If water
or foreign matter enters the headset, stop use immediately and consult your nearest Sony dealer. In particular, be careful
in the following cases.
When using the headset near a sink or liquid container
Be careful that the headset does not fall into a sink or container filled with water.
When using the headset in the rain or snow, or in locations with high humidity
When using the headset while you are perspiring
If you touch the headset with wet hands, or put the headset in the pocket of a damp article of clothing, the headset
may get wet.
The headset contains a built-in lithium-ion rechargeable battery. Use the supplied USB Type-C cable to charge the
headset before use.
System requirements for battery charge using USB
USB AC adaptor
A commercially available USB AC adaptor capable of supplying an output current of 1.5 A or more
(If the output current is less than 1.5 A, the charging time will increase, and the music playback time after 10 minutes of
charging will decrease.)
Personal computer
Personal computer with a standard USB port
Connect the headset to an AC outlet.
Use the supplied USB Type-C cable and a commercially available USB AC adaptor.
The charging indicator (red) of the headset lights up.
Charging is completed in about 3 hours (*) and the indicator turns off automatically.
After charging is complete, disconnect the USB Type-C cable.
1
Time required for charging the empty battery to its full capacity. The charging time may differ depending on the conditions of use.
*
