Specifications:
Input Voltage: 5.0V/1.0A(Max)
Output Voltage: 5.0+-0.25V/0.5A
Capacity: 1450mAh
Cell Type: Li-polymer/1450mAh
Adaptable for: iPhone 4/4S/4G
Standby Time: Up to 300h
Talk time: Up to 7h
Internet Surfing Time: Up to 6h
Audio Play Time: Up to 40h
Video Play Time: Up to 10h
Dimensions: 15mm*61mm*124mm
Color: Champagne/Sliver/Black/Pearl White
Weight: 53.5g
Communicate: Synching with iTunes

Features:
1. Matching iPhone 4/4S/4G style design, thin and cool.
2. Capacity: 1450mAh built-in battery, double standby time for your iPhone 4/4S/4G
3. Cut outs for all the iPhone 4/4S/4G features, use your iPhone without removing it from the case.
4. Strong and durable engineering material protect your iPhone 4/4S/4G from bumps and scratching
5. Protective IC circuit efficiently avoid short-circuit, over charged and malfunction ever under extreme conditions
6. Bracket stand, built-in folding bracket frees your hand while enjoying movies

Package Contents:
Battery Case
USB power cable
User manual