... 2.double USB outlet 3.factory price Portable battery for iphone4 4s HTC Blackberry Product Specifications:Product name:Mobile Power ... pcs Available colors: black/white Compatibility:Port 1: Cell phone,iPhone,MP3/4,iPod,PSP,all digital devices charged via ... portable size to carrying***********************Product Features:1, External power bank for Iphone,Ipad, Ipod, Mobile phones, PDA, MP3, Camera ...