Plug the USB AC adaptor into a nearby AC outlet. In the case of a problem, unplug it from the AC outlet immediately.
Do not install the USB AC adaptor in a confined space, such as a bookcase or built-in cabinet.
Others
Do not use or leave the unit in an extremely cold or hot environment (temperature outside the range of 5 °C – 35 °C
(41 °F - 95 °F)). If the unit is used or left in outside the above range, the unit may automatically stop to protect
internal circuitry.
At high temperature, the charging may stop or the volume may reduce to protect the battery.
It is recommended that you charge the battery when you find the charge indicator flashing. By charging the battery
after the indicator starts flashing, you can use the battery longer.
Even if you do not intend to use the unit for a long time, charge the battery to its full capacity once every 6 months to
maintain its performance.
If the duration that the unit can be used shortens to about half the normal time, consider the life span of the
rechargeable battery.
If you have any questions or problems concerning this unit that are not covered in this manual, please consult your
nearest Sony dealer.
4-748-325-11(1) Copyright 2019 Sony Corporation
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