BuQu Tech PowerArmour Battery Case for iPhone 5/5S, Platinum Grey, BQ-XBCS5PL Built-in battery doubles your run time - additional 8 hours talk/video/internet, 30 hours music, 200 hours standby Thin, lightweight design guards against drops without adding size Durable bumpers protects corners and raised front edge shields screen in a direct fall Easily accessible fuel gauge and on/off switch Included micro USB cable recharges battery case and iPhone from any USB power source Built-in battery provides up to twice as much run time - additional 8 hours talk/video/internet, 30 hours music, 200 hours standby Thin, lightweight design guards against drops without adding size Durable bumpers protects corners and raised front edge shields screen in a direct fall Easily accessible fuel gauge and on/off switch Included micro USB cable recharges battery case and iPhone from any USB power source