Sony WF-L900 Help Guide - Page 129
Charging time is too long.
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Help Guide Wireless Stereo Headset LinkBuds 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 for the headset functions and the usage conditions, the speed of energy consumption for the rechargeable battery may vary between the left and right units. As a result, the charging time of the rechargeable batteries for the left and right units may differ, 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 5-031-118-11(1) Copyright 2022 Sony Corporation 129
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