HC-4072S beige headset microphone

Polar pattem: Omnidirectional

Mic diameter: Φ3.0*1.5mm

Sensitivity:-38db±2db

Frequency Range:  20-20KHZ

Output Impedance: ≤2.2KΩ

Standard  Operation Voltage: 2.0V-10V.DC

SNR: ≥58dB

Wire: 1.2m