Speaker Diameter: 30mm Frequency: 20Hz~20kHz Impedance: 32 Distortion: < 1% Sensitivity: 111 �?�±3dB Mic Frequency: 20Hz~20kHz Impedance: 32 Distortion: < 1% Sensitivity: 100 ±3dB SNR: - 42dB Mic: omnidirectional, anti-interference Wire length: about 2.0M Plug: RJ-11/ DC/ USB/ DC3.5+USB
