Leather Battery Case for iPhone 4 4S with Card Pocket 1.MFI approval 2.Genuine leather 2000mAh 3.CE,FCC,ROHS 4.OEM

Leather Battery Case for iPhone 4 4S with Card Pocket  

1. USB charging and data transmission

2. Capacity: 2000mAh(Li-polymer battery cell) 3. Output: 5V/1A

4. Colors: black

5. Material: ABS+Genuine Leather

6. Packing: Blister Box