This products is a high capacity portable powerbank with high performance li-ion cell.It can be regarded as a charger or a back-up battery with USB output which can charge for mobile phone,Vedio game,IPOD,MP3,PDA,MP4,MP5,PMP and other device with USB charging by matched discharge output cable and plus adaptor.The way of charging is connecting portable powerbank with USB and laptop.It can easy to use and solve no power for your device anytime.It is safe, reliable and perfect for using on travel and outdoor activities. Stylish design, Fashionable looking. This power bank can charge your device rapidly and save your power.