URGE Basics 2400mAh Battery Case for iPhone 5/5S - Retail Packaging - Black/Smoke Slim, unobtrusive battery case; suited for iPhone 5 and 5S 255 hours of standby time; 8 hours of extra Talk time 40 hours of extra audio; 8 hours of additional 3G Web surfing Cutouts for all Buttons, ports, and jacks