Features :
Supercharged Leather Power Case
Rechargeable Built-in battery
Switchable battery
Fit for iPhone 4 with Original Bumper (Excluded)
USB Power chargeable
Charge and Sync
Portable, Foldable, Rechargeable
Capacity: 2000mAh Lithium Polymer Battery
Battery Output power: 5V DC, 1000mA
Input power: 5V 500mA
Talk Time: Up to 6 hours
Video/Game: Up to 10 hours
Music: Up to 40 hours
Compatibility :
iPhone 4
iPhone 4S
iPhone 3GS (16GB, 32GB)
iPhone 3G (8GB, 16GB)
Package Content :
Leather Case with Built-in Rechargeable 2000mAh Battery
Micro USB cable
Screen Protector 
