Icom HM-165 Waterproof Speaker Microphone for IC-M33 & IC-M35
HM-165 Waterproof speaker microphone
I have 5 of these, all brand new in the box cost around £95 retail plus postage I will take £45 inc postage
The new optional waterproof speaker-microphone HM-165 will allow the IC-M33 to float when attached. The waterproof screw-type connector is provided to prevent water intrusion.