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It includes voice menus via the push-to-talk button to control channel, volume, squelch, and a patented Hot Mic or Super Mic.
Our full face masks have been have been tested and approved by the U.S. Navy Experimental Diving Unit. The OTS Guardian Full Face Mask is primarily used with SCUBA but can be utilized with surface supplied gas as well as re-breathers.
Thanks for taking the time to view our selection of Underwater Communication devices.