The Koss CS95 multimedia stereophone with 30-16,000 Hz of frequency response is a single sided headphone with electret, noise cancellation microphone for hands-free communication from your personal computer. It is ideal for telephony, voice activated and voice recognition software and computer games with sound cards with built-in bias supply. It can be used with an external power source if sound card does not have a built-in bias supply.
Clear Voice Technology noise cancellation microphone delivers clear communication in noisy environments. Other features include dynamic element for extended frequency response, foam ear cushions for open, hear-through sound, adjustable headband for best fit and straight, single entry 8-foot cord.