YHhao Extended Protective Battery Charging Case Back Up Power Bank for iPhone 5 / 5S /5C (Lightning Connector Output, MicroUSB Input, Compatible with iPhone 5 / 5S on iOS 7.0+) (Red) External battery charger case for iphone 5/5s/5c The powerful 4200mAh built-in battery can effectively provide 200% additional battery life to your iPhone 5/5S/5c, easy installation and removal Used for charging your Phone anytime and anywhere, works as both an external Phone battery set and a protection case Stand function support, ultra-thin design and perfect dimensions The YHhao iPhone 5/5S Battery Case also has the following functions built-in: LED battery level indicator, charge & sync through the case, headphone jack cutout, function button cutouts and hands-free kickstand