CLS1110, CLS1410, CLS1413, CLS1450, CLS1450C, CLS1450CB, VL50. [HD MIC] Lapel PTT with high quality microphone, easy and convenient to wear and clear sound performance without distortion. [Acoustic Tube] Transparent acoustic tube transmit sound in high quality and effectively protect the eardrum from sound wave impact and transparent doesn't look obvious.
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