Speaker:
* Driver unlt :40mm Dynamic type
* Impedance :32ohms
* Sensitlvity :100+-4dB
* Frequency :20Hz~20KHz
* Maximum input :100mW
* Connector :USB series A plug
* Microphone :Condenser type
* Polar Pattem :Omni-directional
* Volume Contro(optional) :Yes
MIC:
* Output impedance :2K ohms
* Sensitivity :-58+-3dB -38+-3dB(OdB=1V/Paat 1KHz)
* Frequency :50 Hz~ 16KHz
* Cord length :2M+/-3%
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