When the battery is empty, the power will not turn on. Charge the device by connecting it to a computer using the cradle.
- When the battery is empty (for example when using the device for the first time or if the device has not been used for a long time), the power button LED on the right headphone will not turn on immediately after it is connected to your PC.
- Wait a few minutes for it to be recognized. After waiting a few minutes after connecting the device and PC, check if the device is recognized on the PC. When the PC recognizes the device, the battery of the device will begin to charge.
- If there is moisture on the device, wait 2 or 3 hours for the device to dry before charging.