1. High-definition noise reduction microphone, 3D surround sound
2. Lightweight design, no pain after long wearing
3. Soft and skin-friendly earmuffs can effectively block environmental noise and are breathable and comfortable
4. Plug diameter: 3.5MM
5. Wearing method: head-mounted
6. Sounding principle: moving coil
7. Material: Tanned leather
8. Microphone sensitivity: -38DB
9. Microphone impedance: 2200 ohm
10. Microphone size: 6 x 2.7MM
11. Working voltage: 5V
12. Working power: 0.5W
13. Working current: 100MA
14. Frequency response range: 20-20000HZ
15. Horn diameter: 40MM
16. Sensitivity: 42DB
17. Cable length: 2 meters
18. Impedance: 32 ohms
19. System support: WIN7 / WIN8 / WIN8.1 / WIN10 / XP
20. Size: 20.5x19.5x9.5cm
21. Weight: about 307G