Unable to turn on the speaker or charge the built-in battery

  • Charge the built-in battery.
  • Make sure the micro-USB cable is firmly connected to the speaker and booted computer.
  • When using a USB AC adaptor (not supplied), make sure the micro-USB cable is firmly connected to the speaker and the USB AC adaptor. In addition, make sure the USB AC adaptor is firmly connected to an AC outlet.
  • When using a USB AC adaptor (not supplied), make sure the USB AC adaptor has the ability to output in 500 mA or more. Charging from a USB AC adaptor which has the ability to output in less than 500 mA is not guaranteed.