FHS Behind-The-Head Fire Safety Industrial Headset by Rugged Radios provides comfort and clear transmissions. Supporting any brand or type of fire intercom with optional coil-cords, this headset features Dual 5-pin quick-disconnect for right or left body side connection, ensuring complete serviceability. Three configurations are available: No buttons, PTT (Push To Talk) button on ear dome, and Mic On/Off button. The headset showcases a DNC microphone and Clear Hear speakers for excellent audio performance, and superior technology enhances durability. The headset design is behind-the-head for comfort and the model includes PTT with a waterproof cover on the ear dome, a noise cancelling hybrid EM56 microphone, a rugged full flex mic boom, a large detent volume control, and a carbon fiber style finish. It is compatible with David Clark, Avcomm, Sigtronics, Rugged and Firecom headsets when coil cord CC-1/4 or CC-FIRECOM are used.