The Koss CS100 Over-the-Head Stereo Headset boasts a full range of sound. With high noise sensitivity and reduced sound distortion - not to mention hands-free communication via an electret, noise-canceling microphone - you will be able to hear the other party clearly and have your speech understood at the other end.
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 headset provides comfortable wear and clear communication.
* Can be used with an external power source if sound card does not have built-in bias supply.
Features:
Additional Option: 3.5mm to 2.5mm converter for phone is $3.85