CS200i Headset with Flexible Boom Mic

This Koss Headset CS200i with Flexible Boom Mic has a flexible, hands-free electret noise-canceling microphone that makes it ideal for language learning, computer labs, and testing.

It has a single 3.5mm TRRS plug making it compatible with computers & mobile devices that have a standard headphone jack including PC, Mac, iPad and Chromebook.



  • 3.5mm TRRS Single Plug
  • 4 Foot Cord
  • Foam Ear Cushions
  • Adjustable Headband
  • Noise-cancelling microphone
  • Lightweight design for all-day comfort



  • 20-22,000 Hz
  • 32 Ohms
  • 102 dB SPL