Sony SRS-XB30 Help Manual page 64

During playback, you can use the buttons on the speaker to perform the following operations.
Pause
Press the (play) button during playback to pause. Press it again to cancel pause.
Skip to the beginning of the next track
Press the (play) button twice during playback.
Skip to the beginning of the current track
Press the (play) button 3 times during playback.
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 level on the speaker, 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.
(power) indicator flashes 3 times.
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