Head Mounted Microphone Unidirectional High Sensitivity Condenser Headset Microp
Directivity: Unidirectional. Wide application, can be used for speech, teaching, tour guide interpretation, etc. Sensitivity: -39dB±1dB/（0dB=1V/Pa at 1KHz）. 1 Microphone. Cable Length: 1m. Frequency Range: 50Hz-16KHz.