Otto V1-T12KA117, Throat Microphone with acoustic tube & remote ring PTT. Microphone picks up even a whisper. Adjustable elastic strap for a comfortable fit. Additional ear insert options available. For TK272G, TK372G, TK3130, TK3131, TK260G, TK360G, TK270G, TK370G, TK3100, TK2160, TK3160, TK3101, TK2200, TK3200. List price $496.10
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