Fritesla 12000mah Slim Power Bank External Battery for iPhone,iPad and Samsung Galaxy -grey Innovative Slim:0.39 inches thickness means not only reimagining every element but also the future of the power bank, lighter, thinner and even better. Superb Slim: To make use of every last millimeter of available space, we use the highest density polymer battery and optimize the interior design to pack 12000mah capacity, slim yet still charge your Iphone for 6 times. Portable Slim: It certainly makes you upset if your pocket or brief case bulge out when you put battery packs in, but Fritesla is born to fix this and it can disappear in your bags. Outstanding Slim: As thin as blade, two exquisite contours come into your view, increase the sense of quality and shows the pursuit of the slim and simple. Comfortable Slim: Slim is essential for an easier battery experience, you can hold your phone and the battery in a single hand, just free your right hand and enjoy the Pokemon Go outside.