... 5000mAh portable battery charger for iPhone 4 4S,iPod,PSP,GPS,MP4...Number:MA8323Main functionAdvanced aluminum materials,feel comfortable,wear resistance ... 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 data lines can be realized at any time ...