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