Power Bank External Backup Battery Charger Case Cover For Iphone 4 4S (purple)

Features: 1.Perfect design enable you to easy control all the buttons and connectors, no need removing the case 2. Protecting your phone from scratches, dust, shock and fingerprint 3. 4 led lights indicates the power level 4. ON/OFF button for controlling the charging start at any time 5. Need to turn off the back up battery case when doing data transfer 6. Great for business trips, outdoors and traveling Specifications: 1. Cell Type: Li-polymer Battery 2. Capacity: 2000mAh 3. Input: DC5V / 500mA 4. Output: DC5V / 500mA 5. Talk Time: 3G Up to 6 Hours / 2G Up to 12 Hours 6. Internet Duration: Up to 5 Hours on 3G / Up to 9 Hours on Wi-Fi 7. Audio Play: Up to 36 Hours 8. Video Play: Up to 9 Hours  

• Stylish and durable 2-in-1 protective case and battery, powerful and protective for the phone
• Support to charge up the case and your iPhone simultaneously
• 2000mAh capacity battery can provide long time uninterrupted usage
• Perfectly fit for Apple iPhone 4 4S
• Packaged in original box