REMAX Gold Safe & Speed for Lightning DOUBLE-SIDED USB DESIGN FOR IPHONE 5/5C/5S IPAD AIR 1/IPHONE 6/IPHONE 6 PLUS USB interface uses the innovative double-sided design, regardless of the pros and cons, double-sided available, without fear inserted backwards. PVC transparent outer protective wire, enamelled inner double protection, tensile, bending, effective protection. High purity oxygen-free copper wire core, conductivity better ensure the integrity fast transmission of data signals. Using the plating process, the conductive reduce impedance, increasing the signal transmission. Maximum support 2.1A of current through the plug and charge, charging and fast data transmission combo, and convenient.