1. 40mm speaker unit, creating a rich sound environment 2. The all-inclusive earmuffs are soft and breathable, have excellent sound insulation effect, and effectively reduce external noise 3. Left and right stereo channels, with a wider sound field and precise sound positioning 4. Seven-color breathing lighting effect makes the game wear more cool 5. Ergonomic design, comfortable to wear 6. Foldable design for easy storage 7. Pulley type quick adjustment, will not delay your operation 8. Omnidirectional noise reduction microphone, clear sound quality 9. Impedance: 32 ohm +/-15% 10. Sensitivity: 118+/-3db 11. Frequency range: 20HZ-20KHZ 12. Cable length: about 2 meters 13. Rated power: 20mW 14. Input power: 30mW 15. Headphone jack: USB+3.5mm 16. Wheat size: 6x5mm 17. Microphone sensitivity: -38+/-3db 18. Microphone impedance: 2.2k ohm