This earpiece is compatible with HYT TC446S, TC518, TC610, TC620, TC700, POWER446. SPEAKER MIC & D-SHAPE EARPIECE FITS HYT TWO WAY RADIO TC610 TC620 RS-ACC-M1S. This Speaker Mic has an overall cable length of 60cm with a curly chord and the length of the listen only D-Shape earpiece is 30cm.
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