Microphone wired desktop Powertech PT-181 3.5mm - 2m

Technical Specifications:
Mic dimension: 9.7 x 6.7
Sensitivity: 55dB +- 2dB
Directivity: Noise cancelling
Impedance: 2.2KΩ
Sensitivity reduction: within -3Db at 1V
Operation voltage: 1.5V
Frequency respnse: 100-16KHZ
S/N Ratio: more than 36dB
Plug diameter: 3.5cm
Cord lenght: 2m