Maxboost Protak Air External Protective iPhone 5 Battery Case - Matte Black, Fits All Versions of iPhone 5 - Lightning Connector Output, MicroUSB Input The powerful 2200mAh built-in battery can effectively double the battery life of iPhone 5, which adds additional 8 hours of talk time and 10 hours of web browsing time. Featuring a fully protective hardshell case with the minimum added bulk. Enjoy the comprehensive protection while still maintain the slim form factor of your iPhone. The case featuring a MicroUSB input port and lightning output port, and can be charged together with the iPhone via included the MicroUSB cable. The maxboost defender deploys the most reliable battery technology, which can live up to its standard and being rechargeable for more than 500 cycles. The case also has the following functions built-in: charging switch, LED battery level indicator, charge & sync through the case, headphone jack cutout, function button cutouts.