Sony SRS-XB2 Help Manual page 53

Hint
The battery can be charged if the speaker is connected to an AC outlet though the speaker is in use.
Depending on the BLUETOOTH device, it may be necessary to adjust the volume or set the audio output setting on the connected device.
When you set the volume to the maximum or minimum, the
Depending on the BLUETOOTH device, you may not be able to adjust the volume of the speaker by the connected device.
Note
If the communication condition is poor, the BLUETOOTH device may react incorrectly against the operations on the speaker.
When you connect a portable audio device, etc., to the speaker's AUDIO IN jack while listening to music via BLUETOOTH connection, the speaker
switches to the AUDIO IN mode automatically. In this case, music of the BLUETOOTH device is not output (if the BLUETOOTH connection is
active, the hands-free function is available). To listen to music from the BLUETOOTH device again, disconnect the audio cable from the speaker's
AUDIO IN jack.
Related Topic
How to make a wireless connection with BLUETOOTH devices
Terminating the BLUETOOTH connection (After use)
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(power) indicator flashes three times.
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