Slim Innovative Design Dual Sim Dual Standby Battery Power Case for iPhone 4 4S

Features:
This is a portable battery case making your iPhone 4 4S comes with Dual SIM Dual standby
It's lightweighted and easy to carry,looking very good on your iPhone
Double Capacity and endless talking
It's the perfect partner for iPhone 4 4S
The Top choice for business man
dual SIM dual standby power case for iPhone4 4S
Network type:：GSM GPRS Quad-band 900;1800;850;1900 Woldwide use
Language:Multi Languages
Talking time:：600min
Standby time： 388h
Battery Size :3.7V 1380mAh
Operating system：Apple IOS
Designed by DIWEINUO

Colors Available:White,Black,Yellow,Red,Pink

Note:you need to jailbreak your iPhone 4 4S to compatible with this case

Package inlucded:
1*User Guide
1*iPhone Dual Sim Dual Standby Battery Case
1*Charging Cable