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When you use the speaker at a loud volume for a long time, the built-in battery may run low even if the speaker is connected to
an AC outlet. As a result, sound becomes low. This is not a malfunction. Turn off the speaker and charge the built-in battery
sufficiently.
The maximum power output will be lower when the built-in battery is running low.
In an extremely cold or hot environment, charging stops for safety. If charging takes a long time, it also makes charging of the
speaker stop. To resolve these issues, disconnect the supplied AC adaptor or a USB AC adaptor (commercially available), and
then connect it again within an operating temperature between 5 °C and 35 °C (41 °F and 95 °F).
Do not charge in places where water may splash on the speaker. The ports on the supplied AC adaptor and the speaker
(USB/DC-IN) are neither waterproof nor dust proof.
Even if you do not intend to use the speaker for a long time, charge the built-in battery sufficiently once every 6 months to
maintain its performance.
Related Topic
Turning the power on
Notes on charging
5-005-566-11(3) Copyright 2019 Sony Corporation
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