You can recharge the player by connecting it to a USB port from the PC. A blinking icon indicates the battery is in need of recharging.
Note It is possible to recharge even if the battery is not fully discharged.(No need for discharging)
Connect the USB cable to the USB connector (port) of the PC when the PC is powerd on(as shown in the picture on the left.)
Connect the USB cable to the USB power converter.
Connect the USB cable to the USB port of
PC when the player is powerd on.
Press the MODE button on the player and select the following mode(s) in order:
Charging will begin.
To extend the life of your battery, recharge the battery while the icon is still blinking. 
To discontinue recharging, select the following mode(s) in order:
The battery takes 5~6 hours to
10
