COPPER WIRE Our headphone replacement cable is made of oxygen-free copper wire, which ensures stable signal transmission and rich sound quality, enhance your audio experience and bring you the enjoyment of listening to music. Guaranteed sound quality: audio cable extension cables with lossless audio transmission with low latency and HiFi audio technology reproduce the full charm of music precisely and truely. Stable Transmission The perfect combination of male and female improves audio performance, avoids sound quality loss in sound transmission and ensures stability for a great sound experience. Wide application: the 3.5mm headphone extension cable with gold-plated 3.5mm plug is compatible with most devices on the market, e.g. mobile phones, tablets, computers, speakers, MP3 players, etc. High Quality Materials The headphone replacement cable is made of high quality materials, can be bent freely according to your needs to prevent the headphones from falling off during use, and the 90 degree angle releases tension. Solve the problem of cable damage.