Razer Whirlwind Black Shark V2 X 7.1 Surround Sound Noise Reduction Gaming Headphones, Cable Length: 1.3m (Green)

1. Frequency response range: 12Hz-28KHz 2. Impedance: 32 ohm 1KHz 3. Sensitivity (1KHz): 100dBSPL/mW, 1KHz 4. Drive unit: Tuned 50mm dynamic drive unit 5. Earmuff inner diameter: 63 mm x 43 mm / 2.48 inches x 1.69 inches 5. Interface type: 3.5 mm 6. Oval earmuffs: Breathable memory foam earmuffs 7. With microphone 8. Frequency response range: 100Hz-10KHz 9. Signal to noise ratio: 60dB 10. Sensitivity (1kHz): -42dB V/Pa, 1KHz 11. Pickup mode: One-way 12. Mute function: One key mute 13. Earmuff control keys 14. Volume up and down 15. Microphone mute switch key 16. Use audio: Equipment with 3.5 mm audio interface 17. Surround sound: Only for Windows 10 64-bit system 18. Distortion: 0.06% 19. Cable length: 1.3m/4.27 feet