The power suddenly turns off
- Press the (power) button to turn on the speaker. If the speaker does not turn on, charge the speaker by connecting the USB AC adaptor to a wall outlet.
- The auto power off function may have activated. After 15 minutes in certain circumstances, such as when the volume of the audio input is low, the power will automatically turn off. Raise the volume of the connected device for use, or set the auto power function to off.