Get on-the-go power for the iPhone 4 in a light-weight and ultra-thin external rechargeable battery case. The mophie juice pack air™ is designed to virtually double the time you have to Rock, Talk, Surf and Send with your iPhone 4!
The juice pack air is a rechargeable external battery concealed inside of a protective form-fitting case for the iPhone 4. It offers you the full protection of a hard-shell case while providing virtually twice the battery life of the iPhone alone; all in an ultra-thin, light-weight, low-profile design.
iPhone 4 (AT&T,Verizon,Sprint)