Charging Time Is Too Long - Sony WH-1000XM4/S Help Manual

Help Guide
Wireless Noise Canceling Stereo Headset
WH-1000XM4

Charging time is too long.

Check that the headset and the computer are directly connected, not via a USB hub.
Check that you are using a commercially available USB AC adaptor capable of supplying an output current of 1.5 A
or more.
Check that you are using the supplied USB Type-C cable.
Related Topic
Charging the headset
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