41 Connect the travel adapter to the charging socket on the device.2 Plug the travel adapter into the wall outlet. During charging, the indicator lightwill turn red. If the red indicator light flashes, unplug the travel adapter and plugit in again.3 When fully charged, the indicator light turns green. Unplug the travel adapterfrom the device.• When the main power turns off by the internal battery discharge, the accumulateddata in the device cannot be restored.• It is recommended to charge the device and sync with the smartphone before thebattery is discharged.