[Apple MFI Certified] iXCC &reg; 2400mAH External Protective Extended Battery Case with Built-in Kickstand for Apple iPhone 5 and iPhone 5s [Black] (Fits All Versions of iPhone 5 / 5S with Lightning Connector Output, MicroUSB Input) [100% Compatible with ALL IOS System (including IOS 7.0+), Strengthened MicroUSB Input Port for charging and sync, No Signal Reduction] 2400mAh built-in battery can effectively provide 120% additional battery life(12hrs talk time and 15hrs web surfing time)to your iPhone 5/5S A fully protective hardshell case with the minimum added bulk, maintaining the slim form factor of your iPhone 5 / 5S. MicroUSB input port and lightning output port, the case has data and power pass-through enabled. Your iPhone 5/5S can be charged and synced while encased via the included MicroUSB cable. Charging switch, LED battery level indicator, charge and sync through the case, headphone jack cutout, function button cutouts and hands-free kickstand. One year warranty available, plesae contact seller for details