Miccus ChargeBlock Ultra-Thin Battery Case with Camera LED Light and iTunes Sync for iPhone 3G/3GS - Black Simple - Insert your iPhone into the case and keep using it while it recharges. Compatible - Made for iPhone certified full-length case designed to protect your iPhone 3G and 3Gs. Easy - three blue LED indicator lights signal battery capacity when charging and dis-charging or when the button is pressed. Convenient - Includes a Built in camera LED light for pictures and video in low light situations. Operating times (Based on iPhone 3GS) - Up to 17 hours of audio, 4 hours of talk (3G), 4.5 hours of video and 4hrs of internet from a single charge (results vary by model).