1. Material: metal + plastic
2. 3 dynamic units, covering high and bass frequency sound field, restore sound details
3. Humanized pluggable design, can be upgraded to Bluetooth headset
4. Zinc alloy shell, strong and wear-resistant
5. Transparent silver-plated wire to reduce distortion
6. Ergonomic design, comfortable to wear
7. Frequency response range: 20-40000Hz
8. Impedance: 24 ohms
9. Sensitivity: 112dB
10. Plug type: 3.5mm
11. Pin type: 0.75mm
12. Cable length: 1.2m+/-3cm