1. 3D stereo sound effect, high-definition microphone, breathing light effect, intelligent control 2. Lightweight suspension head beam design 3. The voice can be restored clearly, with a remote microphone for easy operation 4. 360 degree rotatable noise reduction microphone 5. Soft skin-friendly protein earmuffs effectively block environmental noise and are comfortable to wear 6. Low-loss material, tensile wire, effectively reduce transmission sound loss 7. Microphone size: 6 x 2.7MM 8. Microphone sensitivity: -38DB 9. Microphone impedance: 2200 ohm 10. Impedance: 32 ohms 11. Sensitivity: 110DB 12. Plug diameter: 3.5mm 13. Wearing method: head-mounted 14. Frequency response range: 20-20000HZ 15. Working voltage: 5V 16. Working current: less than or equal to 100MA 17. Working power: 0.5W 18. Material: protein cotton 19. Cable length: 2 meters 20. Horn diameter: 40MM 21. Sound principle: moving coil 22. Weight: about 310G