for iphone battery

for iphone battery pack Good price and quality Extends playing time up to 100 hours of music, 21 hours of video, 6 hours talk

for iphone battery pack:

1.Extends playing time up to 100 hours of music, 21 hours of video, or 6 hours of talk

2. Eco-friendly operations

3. High quality, compact design

4. Its a great solution for long plane flights, hikes, or for anytime you dont have access to a computer or AC outlet

5. The compact device plugs into the dock port of your iPhone and fits easily in your pocket or carrying case

6. built-in battery function

7.Could be used as a charger,charge this pack first,then could charge iphone 3G

8.Loudspeaker function,could be used as a loudspeaker

for iphone battery