USB2.0 High Speed
20Hz-20kHz
96dB±3db
-50±3db
Microphone
Mic Dimensions Ф9.7*4.5mm
Directivity singal directional
Sensitivity -50±3db
S/N radio >55dB
Impedance ≤ 2.2KΩ
Microphone pole length ~23cm
Speaker
Driver Diameter Ø40mm
Impedance 32Ω±15%
Power 100mW
Frequency Response 20Hz-20kHz
S.P.L 96dB±3db
Plug USB2.0 High Speed
cord Length ≥2.6m
Net weight ~350g