... portable battery charger for iPhone 4 4S 1.2000mAh,5000mAh available 2.Fit for all devices with USB charging,such as iPod ... ,MP3 2000mAh 5000mAh portable battery charger for iPhone 4 4S,iPod,PSP,GPS,MP4... ... such as mobile phone,iPhone 4G 4S,PSP,IPOD,MP3,MP4,GPS,Bluetooth,digital cameras and so ... output using the USB port,plug in the portable data lines can be realized at any time ...