Brand NEW! Stereo - Wired - 32 Ohm - 30 Hz - 16 kHz - Over-the-head - Binaural - Supra-aural - 8 ft Cable - Electret, Noise Cancelling Microphone The Koss CS100 communication headsets boast a full range of sound that helps bring every conversation to life. With high noise sensitivity and reduced sound distortion - not to mention hands-free communication via an electret, noise cancelling microphone - it will seem as if the person on the other end of the line is right in front of you. Whether you employ telephony, voice-activated or voice recognition software - or indulge in computer games with sound cards that feature built-in bias supply - CS100 headsets offer long-lasting comfort to accommodate the longest of telecommunications. Product Type: Gaming Headset Technical Information Connectivity Technology: Wired Cable Length: 8 ft Sound Mode: Stereo Impedance: 32 Ohm Minimum Frequency Response: 30 Hz Maximum Frequency Response: 16 kHz Sound Pressure Level: 91 dB Earpiece Earpiece Design: Over-the-head Earpiece Type: Binaural Microphone Microphone Technology: Noise Cancelling Microphone Technology: Electret Microphone Design: Boom Interfaces/Ports Host Interface: Mini-phone Physical Characteristics Form Factor: Supra-aural - All international buyers are responsible for all tax, duties and/or customs fees.