... /iPod/Cell phone Power station 1.Capacity is 2200mAh 2.Work for iPhone 4,iPhone 3GS,iPod & Cell phones Mobile Power Station for iPhone 4, iPhone 3GS,iPod & ... hours5. Talk time: Up to 6.5 hours on 3G,Up to 13.5 hours on 2G6. Internet Use: ... Weight:82g/pcCompatible with:iPhone 4,iPhone 2G,iPhone 3G,iPhone 3GS,iPod or Cellphones(LG,SAMSUNG,NOKIA,BLACKBERRY,MOTOROLA,and etc.) For iPhone 4 Power station