FHS Over-The-Head Fire Safety Industrial Headset universally pairs with many fire intercom brands using optional coil-cords. The reversible design supports right or left-dress cord connection, permitting preferred side body hanging. Configurations include no buttons, PTT button on ear dome, and Mic On/Off button. The DNC microphone and Clear Hear speakers facilitate clear transmissions and superior audio performance. The industrial headset features an Over-The-Head design, waterproof PTT cover on the ear dome, Noise cancelling EM56 microphone, Rugged full flex mic boom, Large detent volume control, and a Carbon fiber style finish. Stainless Steel over-the-head band and all-day comfort head pad ensure comfort. Cable compatible with David Clark, Avcomm, Sigtronics, Rugged and Firecom.