Restarting the speaker
In the event such as the following, among others, press and hold the 
(power) button for about 10 seconds to restart the speaker.
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You cannot operate the speaker after you turn it on.
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You cannot operate the speaker after you troubleshoot pairing issues.
The speaker is turned off during the restart process, and then turned back on upon completion of the process.
Note
- Restarting the speaker does not delete its pairing information. The pairing information, however, is stored on the speaker when the speaker is turned off. After pairing the speaker with a new device, turn off the speaker and turn it back on, and then restart the speaker.
- Restarting the speaker may change its volume, function, or sound settings.