The Koss CS 195-USB communication headset headphones are perfect for at the office, language learning programs, or taking Internet conference calls. The lightweight, single-sided design enables listeners to monitor the outside world while remaining comfortably connected. The Koss CS 195-USB communication headset headphones full range of sound brings conversations to life. The flexible, hands-free boom microphone with detailed sensitivity and reduced sound distortion is perfect for multitaskers.