Good Condition/Rechargeable External battery case made for all Iphone 4's
(I have 3 of them, other two are for $50.00 slightly more used, but work great)
Technically a battery.
Technically a case.
Comes with box/case/usb cable/instructions booklet
Show your iPhone some love. Protect and charge it with the compact mophie juice pack air. This acclaimed, durable, ultra-thin case houses a rechargeable battery that virtually doubles your time to rock, talk, surf and send. ItÃ??s strong enough to guard your iPhone from every-day wear and tear, yet sleek enough to maintain the aesthetic of the iPhone. The juice pack air is the proud winner of a CES Innovations 2011 Design and Engineering Award.