SPM-3300 Series 3-Wire Lapel Mic Kit with QD® (Quick Disconnect). Acoustic Tube Earphone. 3-wire Kits have separate PTT & Mic for COVERT/DISCREET use. Includes Bud and Semi-custom Ear Mold.
Very popular Vertex radios with 1-pin and 2 retaining screws including: VX-130 series, VX-160, VX-180, VX-210, VX-230, VX-231, VX-350, VX-351, VX-354, VX-400, VX-410, VX-420, VX-427, VX-450, EVX-530 (Digital)