Yaesu MH-37A4BMakeYaesuModelMH-37A4BDescriptionCompact Lapel Mic with EarpieceAccessory forYaesu FT1DRYaesu FT1DEYaesu VX-8GRYaesu VX-8GEYaesu VX-3RYaesu VX-3EYaesu FT-60RYaesu FT-60EYaesu FT-250RYaesu FT-250EYaesu MH-37A4B