Reversible plug, keep it dry. Ultrafine and pure tinned copper. High speed of charging and data transmission. Leather cover and smooth cable, fashionable and durable. Fumble-free and reversible plug, easy to use. Rated voltage: DC 5V. Max current: 2.1A. Material: Housing (Aluminium alloy)Cable: Leather, PVC, Tinned Copper.Plug: Stainless steel, Copper. How to use: Connect USB 2.0 plug with power adaptor or computer. Connect micro plug with your cellphone. Then you can charge and transmit data.Reversible plug, keep it dry. Ultrafine and pure tinned copper. High speed of charging and data transmission. Leather cover and smooth cable, fashionable and durable. Fumble-free and reversible plug, easy to use. Rated voltage: DC 5V. Max current: 2.1A. Material: Housing (Aluminium alloy)Cable: Leather, PVC, Tinned Copper.Plug: Stainless steel, Copper. Reversible plug, keep it dry. Ultrafine and pure tinned copper. High speed of charging and data transmission. Leather cover and smooth cable, fashionable and durable. Fumble-free and reversible plug, easy to use. Rated voltage: DC 5V. Max current: 2.1A. Material: Housing (Aluminium alloy)Cable: Leather, PVC, Tinned Copper.Plug: Stainless steel, Copper. Reversible plug, keep it dry. Ultrafine and pure tinned copper. High speed of charging and data transmission. Leather cover and smooth cable, fashionable and durable. Fumble-free and reversible plug, easy to use. Rated voltage: DC 5V. Max current: 2.1A. Material: Housing (Aluminium alloy)Cable: Leather, PVC, Tinned Copper.Plug: Stainless steel, Copper.