Featrues :
1.iphone 3G/3GS compatible

2.colors:black,red,white,purple.

3.fashionable and edgy .

4.Protect your baby

 

 

 

Specifications:

 

1.The world’s thinnest Apple certified “Works With iPhone” external battery in the world!

2. Rechargeable 1200mAh lithium polymer battery virtually doubles your time to rock, talk, surf and send.

3. Pass-through USB charging and sync with iTunes.

4. Extended smart battery and full case protection.

5. On/Off switch offers choice of battery or case.

6. Integrated 4 LED charge status indicator.

7.Built-in powerful and safe Li-polymer rechargeablebattery to charge

8.Standby Time: Up to 270 hours

9.Talk time: Up to 4.5 hours on 3G  Up to 9 hours on 2G

10.Internrt Uses: Up to4.5 hours on 3G  Up to 5.4 hours on Wi-Fi

11.Audio Playback:: Up to 20 hours

12.Video Playback: Up to 6 hours