OBSERVER LIGHTWEIGHT REMOTE SPEAKER MICROPHONE. 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.
MotoTRBO XPR6300, XPR6500, XPR6550, XPR7550 and APX2000, APX4000, APX7000, APX7500
