Specification:
Normal capacity: 2200MAH
             Real capacity: 2200MAH
             Output voltage: 5V
             Output current: 500MA
             Input voltage: 5V
             Input current: 500MA
             Charging time: 3 ~ 4 hours
             Colour:black,blue,red
           
Accessories:
            USB line, Iphone 4G protective coverings
Description:
          1. Battery + protection cover ,solving the signal problem perfectly
          2. Whith data transfer function , connected with PC and iTuners synchronous.
          3. Equipped with intelligent switch , extended the built-in battery service life, thereby guarantee the security
          4. Accurately display electronic capacity , the LED light will be flicker when low capacity.
          5. Full covered packing design, perfect fit for iPhone4.
          6.Standby time:≥400 hours
          7. Holding time: over 7 hours by 3G net / over 13.5 hours by 2G net
          8. Online time: over 7 hours by 3G net / over 8 hours of Wi-Fi using.
          9. Music play: over 30 hours
          10. Video play: over 8 hours