Cyber Acoustics AC-400 MVC Stereo Mic/Headset
This certified neckband-style combination headset and microphone offers great comfort, features and performance.Technical SpecificationsSensitivity: -67dBV/microbar, -47 dBV/Pascal +/- 4 dBMicrophone power source: 1.5 voltsFrequency response - Microphone: 100 to 16,000 HzMicrophone Impedance: 680 ohms7 ft. shielded cord3.5 mm Stereo headset plug3.5 mm microphone plug