FHS Over-The-Head Fire Safety Industrial Headset by Rugged Radios is a universal, comfortable model, compatible with various brands. This model provides reversibility for right or left-dress cord connection, maneuverability and long-lasting service. Can be configured with PTT functionality or Mic On/Off button on ear dome. Features a DNC microphone and clear hear speakers for optimized audio performance, over the head design for comfort, waterproof cover on ear dome, noise cancelling hybrid EM56 microphone, rugged full flex mic boom, large detent volume control, and a carbon fiber style finish. Cable compatible with David Clark, Avcomm, Sigtronics, Rugged, and Firecom headsets.