HEADSET SPECS Frequency :20- 20000Hz Impedance: 20Ω +/-5 Wired connector: 1x3.5mm jack+USB Sensitivity: 126dB +/- 3 Max power: 50mW Weight:285gr Speaker size: φ40mm Cable lenght: 2m MIC SPECS Impedance: 2.2KΩ Sensitivity: 46dB +/- 3 Microphone size: 6.0 X 2.7mm Frequency: 100-10000Hz Directivity: Omni-directional