Impedance: 16Ohm+/-15%
Sensitivity: 108dB +/- 3dB
Frequency range: 20-20KHz
Mic dimension: 6.0 * 5.0mm
Mic sensitivity: -38dB +/- 3dB
Mic impedance: 2.2kohm
Directivity: Omni-directional
LED working voltage: DC5V +/- 5%
Working current: Below 100mA
Headset interface: USB (plug the USB connector, LED light is on, unplug, it off) + 3.5mm stere
Cable length: Approx. 2.2m / 7.22ft