Covert Acoustic Tube Earpiece Headset Mic for Kenwood Radios. Hidden microphone inside PTT switch. You may also like. Never Used ! TK-308, TK-320, TK-340, TK-340D, TK-349, TK-350, TK-353, TK-360, TK-360G, TK-370, TK-372, TK-370G, TK-372G,TK-373G, TK-378, TK-378G, TK-388.
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