FHS Behind-The-Head Fire Safety Industrial Headset is a universal design headset by Rugged Radios that works with almost any fire intercom. It features a dual 5-pin quick-disconnect that enables the coil cord to hang from the preferred body side when connected. This design offers comfort and can be serviced easily. It is available in three configurations, with varying button configurations such as PTT (Push To Talk) on ear dome and Mic On/Off button. This headset delivers surpassing audio performance with its DNC microphone and Clear Hear speakers. Additional features include a stainless steel behind-the-head band, noise cancelling hybrid EM56 microphone, rugged full flex mic boom, large detent volume control, and a carbon-fiber style finish. The headset is compatible with David Clark, Avcomm, and Sigtronics headsets coil cord.