The power suddenly turns off
- The battery may be running low. Charge the speaker by connecting the speaker to a booted computer or an AC outlet via a USB AC adaptor (not supplied).
- 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.