Covert Acoustic Tube Earpiece for Icom Radios. Compatible Icom Models Transparent flexible acoustic tube. Hidden microphone inside PTT switch. IC-F3060, IC-F4060, IC-F3161T/S, IC-F4161T/S, IC-F3162T/S, IC-F4162T/S, IC-F3163T/S, IC-F4163T/S etc.
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