1. Material: aluminum alloy + cotton wiring + TPE 2. Weight: 5g 3. Length: 12cm 4. Interface: Type-C to 3.5mm 5. Built-in digital decoding chip, clear sound quality, high-fidelity music experience 6. Aluminum alloy shell, scratch-resistant, no fear of wear and tear 7. Braided wire body, resistant to bending and pulling, not easy to break 8. Compatible with a variety of devices, plug and play, easy to use 9. The shape is mini and small, easy to carry when traveling