If the usage hours of the built-in rechargeable battery decrease significantly, the battery should be replaced. Consult your nearest
Sony dealer.
Avoid exposure to extreme temperature changes, direct sunlight, moisture, sand, dust, and electrical shock. Never leave the
headset in a parked vehicle.
When connecting the headset to a computer, make sure to connect it directly to the computer with a USB Type-C cable. Charging
will not be properly completed when the headset is connected through a USB hub.
The headset and the charging case may become warm during charging or for a while after charging. However, this is not a
malfunction.
If you shake the charging case forcefully, you will hear a rattling sound; however, this is the sound of the headset units moving
inside the charging case and not a malfunction.
Related Topic
About the indicator
Checking the remaining battery charge
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