Microphone Microphone diameter? 6.0 * 2.8 mm Directivity Omnidirectional Impedance = 2.2 kO Sensitivity -36±3db Speaker Driver Diameter Ø40mm Impedance 22O Frequency Response 20Hz-20kHz Sensitivity 96dB±3dB Cords = 2.0 meters Plug Ø 3.5 mm Net Weight ˜245g