[ Built-in Cable] - No need to carry a separate charging cable for iPhone 15 series and USB-C Port series. (Not for iPhone 14 Series and Older Series) [Ultra Slim Design] - Slim Size only 3.9*2.8*0.2 inch, weighing only 3.4 oz. It's easily fit into your crossbody bag, pocket even wallet. Not dragging your pants down.