Mic Dimensions: Φ6.0X5.0mmSensitivity:-40dB±3dB Impedance: ≤2.2KΩ Driver Diameter:Φ40.0mm Impedance:32Ω Fequency Response: 20~20kHz Sensitivity(S.P.L):110.0dB±3dB(1KHz) Plug:Φ3.5mm Cable Length :Appr.2.0 meters