Ruizu X21 User Manual page 2

For safe use
Warning: Fail to follow these safety instructions any result in injury.
 Don't drop or hit the unit violently,otherwise it will case serious
damage or will not work properly.
 Don't open or disassemble the unit,the parts inside need no
maintenance.
 Don't use the unit in an environment with humid and high
temperature.
 Don't put this product into water or any liquid
 Don't expose this product to strong sunlight or put it into trash bin.
 Don't put this product in fire, or the battery will explode and be on
fire.
Charging for the Music player
 Use an adapter for charging
If you use and adapter to charge the player, please use and adapter with
its maximum output is 5V,1A. It will need about 1hours for full charge.
 Charge by computer
Plug one end of the micro USB cable into the USB port of a computer,
the other end to the port on your device, While it is fully charged,
disconnect the cable from your device by pulling it straight outward.
Charge and discharge it every 2 months if you do not use it for a long
time.
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