Sạc pin quay tay cổng Usb thích hợp cho điện thoại Mp4

Description: This phone manual charger can provide power to charge the phone and no need to use sunlight,battery,grid electricity. Designed with a USB port,you can use USB cable to connect with phone,mp4,mp3 and more. This USB hand crank charger is safe to use,the max output is 6V/300mAh,not easy to harm the phone. Designed with a LED indicator light,it will glow when there is power be generated,and you can use it as a emergency light source. It features compact size and is lightweight,you can use the wrist rope to hang it on the wrist,so it won't easily be lost and is easy to be carried. Specification: Material: ABS. Color: Blue,black. Size: 56*46*31mm. Max output: DC 6V/300mAh. Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 1* Emergency phone charger.