... , MP4 etc. Based on the lithium polymer battery’s advantages of longer rechargeable life, light in ... Specifications/Special Features:1.Suitable for laptops, Mobile Phones, Digital Cameras,MP3/MP4 Player and ... ports, 1 USB portsProduct’s parameter:· Built-in battery capacity: 12000mAh/ 3.7V(Li-Pol batteries)· ... .USB output:It mainly supplies power for such pruducts as Mobile Phones, Digital Cameras and so ...