This compact Lapel Speaker/Microphone has a built in earphone jack for private
listening (earphone not included).
Compatible with the following Marine Radios: HH325, HH330, HH350, HH425,
HH450, HH475, HH500 and HH600.
The included adapter cable also allows use with: HH100, HH125 and Microtalk Walkie-Talkies.
