Penrui 3D Diamond Zinc Alloy Head Phone Data Cable 2.0A Fast USB Charging for iOS(White,3 Inch) ZINC ALLOY PLUG:Special design woth zinc alloy casting technology,support USB 3.0. FAST CHARGING:Compatiable with 99% of the micro USB decices.Supports fast charging and data transfer. COPPER CORE:100% pure cooper core,increases the transmission speed by 40%.2.0 A current. QUALITY MATERIALS:Environmental TPE material(Zinc alloy aluminum+Copper Wire Core),3 D cable,not easy to knot. ATTENTION:If you have any questions, please feel free to communicate with us. We will do our best to satisfy you. Your satisfaction is our biggest motivation.If not satisfied, we support the 100% return.