When vibration is applied to the unit, the speaker emits a sound effect.
This occurs when the Party Booster function is on. Follow the steps below to turn off the Party Booster function.
- Turn on the speaker.
- On the speaker, press and hold the – (volume) and the + (volume) buttons at the same time for more than three seconds.
- The Party Booster function turns off when the
(power) indicator flashes four times.
- The Party Booster function turns off when the