The HM-167 is a lightweight IPX7 waterproof speaker microphone.
The HM-167 enables the IC-M71, IC-M73, IC-M90 or IC-GM1600E VHF's to be safely stowed in a pocket for hands free communication.
Full sized waterproof speaker-microphone
Including alligator type clip to attach to your shirt or collar, etc.
Specs:
Connector information - 4 pin
Cable Length: 13.2 in (when curled)
Weight - 127 g
ICOM
