TOA ZM-370HS-AS Headset Microphone

Type Electret Condenser microphone
Directivity Unidirectional
Rated Impedance 2.5 kΩ, unbalanced
Sensitivity -51 dB (1 kHz 0 dB=1 V/Pa)
Frequency Response 50 Hz - 12 kHz
Cable Length 10 m (10,000 mm)
Connector 1/4" unbalanced Phone Jack
Finish Battery case: ABS, Black;
Headset: Metal, black
Dimensions 89.5 (W) × 38 (H) x 19 (D) mm (microphone body)
Weight 142 g (without battery)