Sony WF-C500 - Charging time is too long.

Help Guide
Wireless Stereo Headset
WF-C500
Charging time is too long.
When charging with a computer, check that the charging case and the computer are directly connected and not via a
USB hub. Also, this may be improved by restarting the computer and trying the USB connection again.
Check that you are using the supplied USB Type-C cable.
Depending on the settings of various functions and the conditions of use, the speed of the battery consumption may
vary between the left and right units.
As a result, the charging time of the batteries may differ between the left and right units, but this is not a malfunction.
It is recommended to charge in a place with an ambient temperature between 15 °C and 35 °C (59 °F - 95 °F).
Efficient charging may not be possible beyond this range.
When using a commercially available USB AC adaptor, use one capable of supplying an output current of 0.5 A (500
mA) or more.
Related Topic
Charging
Resetting the headset
Initializing the headset to restore factory settings
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