1. Speaker: 40mm
2. Sensitivity: 115dB S.P.L at 1 KHZ
3. Frequency response: 20Hz-20 KHz
4. Rated power: 15mWx2
5. Plug: 3.5mm *1
6. 40mm sound unit, can easily listen to various sound effects
7. High sensitivity microphone, suppress current sound
8. No pressure headband, good ventilation
9. The microphone can be rotated by 270 degrees
10. Ergonomic design, comfortable to wear
11. Sweat-absorbing and breathable earmuffs balance the wearing pressure, effectively isolate external noise, and the textile mesh surface effectively absorbs sweat
12. Suitable for most PC computer and notebooks