Where to buy？

• https://esontech.en.alibaba.com

Can not find device.

• A. Confirm it is in Bluetooth paired mode.
  B. Confirm it connected other device.

Can not power on.

• Confirm if it has no battery, charge it then power on.

No sound when playing.

• Confirm if it is in effective 10M distance. Or there is an obstacle between Bluetooth connection.