iWalk Chameleon Immortal i6 2400 mAh Power Case - Retail Packaging - Black 2400 mAh capacity Lithium-ion rechargeable battery Apple Certified - Made for iPhone, Charge and Sync Cable Included 12.9mm ultra slim design / None slip with four rubberized side panels Stylish design and shorter than most other power cases Simultaneously charge the iPhone and Chameleon charger