Sony WF-1000XM5 Help Guide - Page 27

A: USB AC adaptor Charging starts on the headset and charging case. The indicator (orange) on the charging case lights up. After charging is complete, the indicator on the charging case turns off. Remove the USB Type-C cable. About the charging time The required time for fully charging the headset and the charging case is about 2 hours*. * Time required for charging the empty battery to its full capacity. The charging time may differ depending on the conditions of use. Charging the headset when you are outside A rechargeable battery is built into the charging case. If you charge the charging case in advance, you can use it to charge the headset when you go out without a power supply. The required time for fully charging the left and right headset units is about 1.5 hours. System requirements for battery charge using USB USB AC adaptor A commercially available USB AC adaptor capable of supplying an output current of 0.5 A (500 mA) or more Personal computer Personal computer with a standard USB port We do not guarantee operation on all computers. Operations using a custom-built or homebuilt computer are not guaranteed. Wireless charging This headset is compatible with the wireless chargers that meet the Qi standard. Use a wireless charger that conforms to the Qi standard. Close the charging case lid and place it on the wireless charger with the SONY logo of the charging case facing upward to charge. See "Location and function of parts" for the location of the charging contact surface. When charging, refer to the operating instructions supplied with the wireless charger. Hint The headset can be also charged by connecting the charging case to a running computer using the supplied USB Type-C cable. Note 27