Features: 1The twisted wire twists the hot and cold signal wires to offset the magnetic flux caused by the current and reduce signal transmission loss. 2Reduce the current noise effect caused by the external magnetic flux through the connecting wire, and realize the high?resolution sound. 3The OFC copper wire has good electrical conductivity, and a bright and shiny cover, and the silver layer has high corrosion resistance. 4OFC copper wire can improve the resolution and separation of the earphones, eliminate the dull feeling of the earphone bass, make the sound more transparent and natural. 5Restore the real sound, let you have a different listening experience, compatible for ATH?M50X/M40X headphone. Package included: 1 x Headphone Audio Cable 1 x Adapter