3 pcs Headset Microphone For Audio Technica Wireless System With Hirose 4-PIN

3 PCS Comfortable Dual Ear Headset Microphone Professional skin color headset microphone with new flexible design Omni-directional back electret condenser microphone Noise canceling capability Frequency Response: 100 Hz ~ 10,000 Hz Sensitivity: -66 dB +/- 4dB Impedance: 1800 ohm Operating Voltage: 1.0V- 10V D.C. 48" cable length (1.3m/51.18 in) Hirose 4-pin connector Compatible With Audio Technica T27/T31/T51/T200/T201/T210/T300/T310 and 1100/1400/2000/3000 series Includes microphone and windscreen 12 months replacement warranty