Please note this cable doesn't work with IOS7，only applicable for IOS6 IOS5.Conforms to the USB Type C Specification version 1.1， standard 56kilohm identification resistor， which ensures a safe charging at 2.4A Maximum and the speed of data sync up to 480 Mbps. No damage to your legacy USB hub.USB C to USB A cable， universal charging with your legacy USB Hub， PCs and chargers， no need to change another charger adapter for your new USB C devices.Premium Aluminum housing and sturdy nylon fiber jacket adds the durability of the cable and reversible design of the USB C helps you insert the connector to your devices in a right way all the time.3.9Ft long Cable， you can lie on the couch and use your devices while you are charging at the same time. And you can still use freely in in your bedroom， office and even in the backseat of your car. One year warranty and friendly easy-to-reach customer service available.