"Driver Unit: 50mm
Impedance: 32Ω
Sensitivity: 105±3dB
Frequency: 20-20000Hz
Mic dimension: 6.0 * 2.7mm
Mic sensitivity: -42 ± 3dB
Mic impedance: 2.2kΩ
Directivity: Omni-directional
LED working voltage: DC5V ± 5%
Working current: Below 100mA
Headset interface:  USB +1 X3.5mm Jack./2X3.5mm splitter cable with fixed microphone"