Check the following if you are unable to turn on the portable Bluetooth® speaker.
- Make sure that the portable Bluetooth speaker has enough charge.
IMPORTANT: Connect the micro-USB cable, and charge for approximately 1 hour before turning on the power again. If the built-in battery has no remaining charge, the power will not turn on immediately after connecting the micro-USB cable. Please charge for approximately 1 hour before turning on the power again.
- Make sure the USB AC adaptor is connected to the speaker and the AC outlet firmly.