This document describes several communication headset models from a company. It provides details on the features of models MT-07, MT-11, MT-17, MT-17 NC, MT-17 Binaural, MT-17 USB, MT-100, MT-200, MT-202, MT-300 including long wearing comfort, excellent sound quality, safety features, compatibility with various phone systems, accessories, and functions like noise cancellation. The headsets are designed for clear communication and long use in call center environments.