Travel twice as far with the mophie juice pack PRO "outdoor EDITION" for iPhone 4/4S. With the largest battery ever built into a juice pack case, complimented by a belt clip and rugged good looks, it's the perfect adventure companion to help stay off the grid all weekend.Pairing the juice pack PRO with the mophie "outdoor EDITION" app allows iPhone owners to effectively transform their iPhone into a connected, dedicated GPS device that is able to power its own way through any adventure.Upload your recorded adventure from the mophie outdoor app into your Facebook account, or send your tracks and photos via e-mail. Either way, you can save an unlimited number of tracks, waypoints, and geo-coded pictures from every adventure.Place your iPhone into your mophie juice pack PRO "outdoorEDITION". Now you have more than double the time to enjoy your adventure. The juice pack PRO provides you with the confidence that your iPhone can lead you through the most demanding conditions.With an impact resistant design that exceeds military specifications (MIL-STD 810G), a large battery and an included belt clip to keep it securely on your hip, you can be assured that no matter how extreme your weekend gets your iPhone will still be there when you need to get back to civilization.