Professional Lapel microphone 
High class back electret condenser microphone 
For vocal, speech, dance and sport applications, for instrumental artists and solo entertainers 
With windscreen 

Element: Electret Condenser

Frequency Response: 100 Hz ~ 10,000 Hz

Sensitivity: -66 dB +/- 4dB

Impedance: 600 ohm

Operating Voltage: 1.0V- 10V D.C.

Connector: Hirose 4 pin