External Backup Battery Case
For Apple's iPhone 4/4S
 
1. Input Voltage: 5.0V/1.0A (Max)
2. Output Voltage: 5.0±0.25V/1A
3. Nominal Capacity: 1450mAh
4. Cell Type: Li-polymer / 1450 mAh
5. Color: various colors available.
6, Size: T 18 x W 61 x L 126mm
7, Weight: Approx 53.5g
8, Synching with iTunes

* With 2 Changeable Frames (bumpers