Hytera - SPEAKER MICSS - SPM-143

OBSERVER™ LIGHTWEIGHT REMOTE SPEAKER MICS. Smaller size more convenient for users who want the features of a speaker mic but in a smaller size. Speaker output of a much bigger mic and also has a 3.5mm jack for optional earphone.

Fits:
Fits HYT MODELs including: PT-790, TC-3000, TC-3600, TC-610P, TC-780, TC-780MPT.