You"ll never run out of juice with this Ferrari Formula One Booktype Power Case for iPhone 5/5s. Not only is it amazingly stylish, it gives you 90% additional power (+10 hours of video, +40 hours of music, +10 hours of 3G communication) while providing real protection for your cell phone. Specifications: Red Carbon. Fits iPhone 5 & iPhone 5S. Item: FEFOCBCBKP5RE