When vibration is applied to the unit, the speaker emits a sound effect.
This happens when the Party Booster function is turned on.
To turn off the Party Booster function, follow the steps below:
- Turn on the speaker.
- Press and hold the – (volume) button and the + (volume) button of the speaker at the same time for more than 3 seconds.
When the Party Booster function turns off, the (power) indicator flashes 4 times.