For iPhone 4

Product Model:  Power Pack 4

Standby Time:  Up to 450 hours
Input: 5V— 0.5A
Talk Time: Up to 5 hours on 3G Up to 10 hours on 2G
Output: 5V— 0.8A
 
 
Capacity:  2000mAh
Internet Use: Up to 7 hours on Wi-Fi, Up to 4.5 hours on 3G
Dimension: 126x63x16mm
Weight: 55g
Audio Play: Up to 28 hours
Charging time: 4.5hours
Video Play: Up to 7 hours

Product details and specifications:

1. Offers a fully protective, hard-shell case with virtually twice the battery life of the iphone.  Ultra-thin,  light-weight, low-profile design with a supple black mat finish.

2.  Totally covers and protect your iphone 4.  Easy in and out of your pocket Great speaker sound.

3. Thinnest and lightest 2000mAh (55g).

4. Specially designed camera hole for eliminate glare.

5. Quick charge (5V, 0.5A) -> (5V, 1A).   Same interface as the original power adaptor.

6. Sophisticated Soft Cover - easy on/off  button of your iphone 4.

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