portable battery charger for iPhone 4 4S 1.2000mAh,5000mAh available ... ,such as iPod,MP3 2000mAh 5000mAh portable battery charger for iPhone 4 4S,iPod,PSP,GPS,MP4...Number:MA8323Main functionAdvanced aluminum materials ... ,MP4,GPS,Bluetooth,digital cameras and so on.Plug and play,power output using the USB port,plug in the portable data ...