1. Gold-plated anti-oxidation, improve sound quality, no rust 2. Use materials with high recycling rates 3. Elastic spring to prevent bending deformation and extend cable length 4. High-purity oxygen-free copper wire, to achieve low loss in the process of sound quality transmission, to achieve high-fidelity sound quality 5. Aluminum alloy shell, high-strength metal material, highly durable, more firm in corrosion resistance 7. Spring telescopic extension, extension length: 0.5m-1.5m, sturdy and durable 8. Function: audio signal transmission transfer 9. Interface: Type-c/USB-c to 3.5mm male 10. Weight: about 23g
