1. Material: TPE+aluminum alloy 2. Cable length: 1m 3. Interface: 3.5mm coaxial audio plug 4. 3.5mm gold-plated head, efficient and lossless sound quality transmission 5. 48-braid nylon braided thread, high-end and elegant, strong and tensile-resistant, not easy to fluff 6. Gun gray aluminum alloy + TPE long net tail, beautiful and durable 7. Built-in high-performance TD digital chip, transmitting no current noise 8. The aluminum alloy material is scratch-resistant and the wire is resistant to bending.