Highlights:

• High quality smart Battery
• Optimized to add battery life to your Apple iPhone 
• Lightweight and thin design (Low profile)
• Non slip comfort grip cover
• Cover protects your Apple iPhone from minor bumps and scratches
• USB charging and SYNC without the need to disconnect your iPhone from the case
• High-quality Li-polymer Cell
• ON/OFF button for optional power output control
• Rechargeable up to 1000 times - Charges through USB to Apple 30pin connector cable(not included)

Specification:

• Dimensions: 12.5x6.4x1.2cm
• Weight: 0.06kg
• Battery type: Lithium-ion polymer battery
• Capacity: 1200mAh
• Input: DC5V
• Output: DC5V
• Talk time: 5 hours
• Video: 7 hours
• Music: 28 hours
• Standby time: 210 hours