1. POWER CASE FOR IPHONE 4 4S INCLUDING 3 CHANGEABLE SIDE PANELS The CasePower is a rechargeable external battery integrated into a protective case extend ing the user time for the iPhone 4 4S It offers you the the protection of a hard shell case while providing virtually twice the battery life of the iPhone alone all delivered in a design worthy of an iPhone 14 9 mm thin More than Double Power Scandinavian Design Apple Certified The unique and slim design is so thin most people recognize it as a normal case Suprise them with an inbuilt battery Another cool feature is the three optional side panels that are included A4i Specifications Including 3 optional side panels Transparent Black Coral Blue MFI Certificate for Apple USB charging and data transmission Capacity ISO0O0mAh Li polymer battery cell Output SV SOOmA Color Black White Material ABS Free Screen protective film included POWER CASES