Motorola speaker microphone, model number PMMN4021. This speaker mic comes with the "Windporting Technology" which decreases background noise from high winds and other extreme weather conditions. Includes a 3.5mm unthreaded jack on the head, when plugged in will mute the speaker for discrete communication. Microphone is in excellent shape and guaranteed fully operational.
Radio models compatible with this mic:
HT750, HT1250, HT1250 LS, HT1250 LS+, HT1550, HT1550 XLS, MTX850, MTX850 LS, MTX1850, MTX8250, MTX950, MTX9250, PR860 and PRO5150