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Hint
You can charge the speaker's built-in battery by connecting the USB cable connected with the speaker to a computer that comes
equipped with a USB charging port as well. However, not all the computers are tested and found compatible with this procedure
and the procedure is not applicable to home-built computers.
As long as the speaker is connected to an AC outlet by a USB AC adaptor (commercially available) or to a computer that comes
equipped with a USB charging port, the speaker's built-in battery is capable of charging itself even while music playback from the
speaker is in progress. However, it may take a long time before charging completes depending on the usage of the speaker. It is
recommended that you turn off the speaker before battery charging.
Note
Depending on the type or specifications of the USB AC adaptor, if you use the speaker at a loud volume, the remaining power of
the rechargeable built-in battery may decrease or the speaker may turn off even while the speaker is connected to an AC outlet
by the USB AC adaptor. This, however, does not indicate a malfunction. If such a case occurs, turn off the speaker and let the
battery fully charge itself before you use the speaker.
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 USB cable, and then connect it again within an operating temperature
between 5 °C and 35 °C (41 °F and 95 °F).
Do not charge the speaker's built-in battery in places where water may splash on it. The supplied USB Type-C
®
cable as well as
the USB port behind the cap are designed neither for waterproof nor for 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.
The multi-device connection is not compatible with HFP (Hands-free Profile). Therefore, when using the multi-device connection,
the remaining battery power of the speaker is not displayed on the Android smartphone or the iPhone/iPod touch.
When the Android smartphone is configured to use only A2DP (Advanced Audio Distribution Profile) for establishing
BLUETOOTH connections, the remaining battery power of the speaker is not displayed on the smartphone.
Related Topic
Turning the power on
Notes on charging
What you can do with “Sony | Music Center”
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Copyright 2020 Sony Corporation
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