... 2000mAh 5000mAh portable battery charger for iPhone 4 4S,iPod,PSP,GPS,MP4...Number:MA8323Main functionAdvanced aluminum materials,feel comfortable,wear ... with USB charging,such as mobile phone,iPhone 4G 4S,PSP,IPOD,MP3,MP4,GPS,Bluetooth,digital cameras and so on ... .Plug and play,power output using the USB port,plug in the portable ...