mStation|mophie has introduced the Juice Pack Air for the iPhone 3G. It costs $79.95 and it’s coming this Spring.
The Juice Pack Air comes in a form-fitting hardshell case for the iPhone 3G. The case features a a pass-through USB connector that lets you charge and sync with iTunes. The case sports a four LED charge status indicator and an on-off switch; when off, the Juice Pack Air functions just as a case.
Mophie plans to make the Juice Pair Air available in black, white and purple.