FHS Over-The-Head Fire Safety Industrial Headset by Rugged Radios is designed to work with almost any fire intercom and has a reversible design for right or left-dress cord connection. The headset offers clear transmissions and unsurpassed audio performance with features such as a DNC microphone and Clear Hear speakers. It also has a comfortable over-the-head design and is fitted with a stainless steel band, head pad, noise-cancelling hybrid EM56 microphone, rugged full flex mic boom and large detent volume control, all in a stylish carbon fiber finish. The headset is available in three configurations: No buttons, PTT (Push To Talk) button on ear dome, and Mic On/Off button on ear dome; with cable compatibility for David Clark, Avcomm, and Sigtronics using coil cord CC-1/4 and Rugged and Firecom using CC-FIRECOM.