FHS Over-The-Head Fire Safety Industrial Headset by Rugged Radios is a universal design, comfortable to wear, and can work with any type or brand of fire intercom using optional coil-cords. It features a reversible design for right or left-dress cord connection, and is serviceable. This headset is available with no buttons, with a PTT button on ear dome, or with a Mic On/Off button. It has a DNC microphone for clear transmissions, and Clear Hear speakers for great audio performance, a comfortable over-the-head design, a full-flex mic boom, and a volume control. It has a stylish carbon fiber finish. It is compatible with David Clark, Avcomm, Sigtronics, Rugged, and Firecom headsets.