... , MP4 and other products power supply or charge to use. This product with lithium polymer battery, so ... and anywhere.Main specifications/special function:1, apply to cell phone, digital camera, MP3, MP4 and other products. ... the input output terminal hole is different, avoid to use the plug from the wrong problem.5, ... circle life: 500 times6, weight: 80 gHOW TO USEUse USB plug into the USB outlets of this ...