Yaesu MH-34B4BMakeYaesuModelMH-34B4BDescriptionCompact Speaker/MicrophoneAccessory forYaesu FT1DRYaesu FT1DEYaesu VX-8GRYaesu VX-8GEYaesu VX-3RYaesu VX-3EYaesu FT-60RYaesu FT-60EYaesu FT-250RYaesu FT-250EYaesu MH-34B4B