external power pack for iphone 4g 1 LED can indicate remain battery level. 2 Dual USB Output 5V 2.1A for iphone

external power pack for iphone 4g

Specification:

 

1.8000Ma build-in Battery can charge your ipad

2.Power off/on button can control if you don't want to charge

3.LED can show the battery level remains and output.

4.The surface made by UV anti-scrach.

5.Luxry design  let your unique.

6.Input :5V 1000ma  output: 5V 2000ma

7.When you use one USB, it is 5V 2000ma output, when you use

   two USB at the same time, it is 5V 1000ma each.

 

High quality external power pack for iphone 4g