Covert Acoustic Tube Earpiece for Icom Radios. Compatible Icom Models Transparent flexible acoustic tube. Hidden microphone inside PTT switch. IC-F3021 / IC-F4021 IC-F3062 / IC-F4062 IC-A4 IC-A5 / IC-A6 / IC-A110 IC-E90 / IC-E91 IC-E92D.
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