Juice cover is a Made for iPad certified power case for iPad 2. It's super slim with only 4mm more on top of iPad 2. All the ports including speaker volume up & down and screen rotator on/off switch etc are pre-cut to ensure easy access. It's also designed to work with smart cover with the pre-cut edge the smart cover can fit perfectly with an iPad 2 that is with our juice cover. You can still enjoy a typing and landscape viewing angles with smart cover. Our juice cover provides not only extra power but also perfect protection to iPad 2. The built-in battery provides 70% more of iPad battery which can be a good power source when you need it by a simple press to on/off switch. The specially designed Apple connector portion makes the whole unit even a better match to iPad 2 we choose not to lengthen the whole case but only the portion where the 30 pin connector is makes the juice cover shorter and a perfect fit for iPad 2. There are also indicator lights which tell you how much juice left by a simple press. Features Super slim case with built-in battery Perfectly match with Smart Cover Battery level indicators On / Off switch Made for iPad certified