1.Driver diameter: 50mm
2.Impedance: 16Ohm
3.Sensitivity: 114dB +/- 3dB at 1KHz
4.Frequency range: 20Hz-20KHz
5.Mic dimension: 6.0 x 2.7mm
6.Mic sensitivity: -36dB +/- 1dB
7.Mic impedance: 2.2k
8.LED working voltage: DC5V +/- 5%
9.Headset interface: 3.5mm + USB (USB for LED light)