FHS Over-The-Head Fire Safety Industrial Headset by Rugged Radios is an over-the-head fire headset offering comfort and versatility. The universal design of the FHS works with nearly any fire intercom brand or type, using optional coil-cords. This headset has a reversible design for right or left-dress cord connection for desired body side cord hanging. Available with no buttons, a PTT button on ear dome or a Mic On/Off button. Features include a DNC microphone for clarity, Clear Hear speakers for superior audio, stainless steel over-the-head band, a comfort head pad, noise-cancelling EM56 microphone, full flex mic boom, large volume control, and carbon fiber style finish. The David Clark, Avcomm, Sigtronics, Rugged and Firecom headsets all have compatible cables.