Sensitivity: -38dB +/- 2dB Omni-directional. Impedance: 2.2K Ohm. Current consumption: .5 mA max. Operating Voltage: 4.5V Frequency range: 100Hz - 16000 Hz. S/N Ratio: 60dB or more. Cord length: 2 Meters (3.3 feet). Connector:3.5mm Stereo Mic Plug.