About this item Hyperbolic Ergonomic Design Each strap charger uses hypoid ergonomic design, very beautiful and comfortable to wear, also has a perfect metal seal device which ensures that it is tight enough and safe when you wear it. 【3 in 1 Fashion For iOS Owners】Creative USB Charging Cable + Transmission Line + Classic Leather Strap, 3 in 1, Very Easy to Use and Take Any Occasions, Pure Convenient, Simple and Fun for Everyone INCREDIBLY DURABLE AND PRACTICAL Made of high quality smooth leather, double group electrical core and zinc alloy. 2-3 times longer service life than normal data cable, not easy to fade and fall off, has good sealing performance, much durable, practical and luxurious than similar products of other materials on the market. Product from Smartware Collection