● four core transmission， charging fast. ● High-purity OFC oxygen-free copper， reducing the impedance caused by the loss. ● Charging / Data Transfer 2 in 1， support all Micro USB devices. ● coated braided copper foil intact. ● 28 AWG wire thin charge faster. ● non-human factors damage the wire all year warranty. (Please keep proof of purchase from the date of purchase warranty for one year.)

"