1. Suitable for Audio-Technica ATH-M40X / M50X / M60X / M70X and other headphone models 2. Using pure copper wire core, the signal transmission performance is better and more stable 3. The outer layer is made of anti-tangle nylon braided material, which is durable, and the inner layer is made of OFC wire, which greatly guarantees the sound quality 4. 3 buttons support volume control, skip tracks and answer calls, etc. (only for Android phones) 5. Inline microphone, excellent sound quality for online chatting, gaming and calling 6. Product application: connect computer, headphone audio interface, car audio interface 7. Cable length: 1.5 meters 8. Weight: about 25g 9. Note: The product only includes wires, not earphones