Coodio Remote Lapel Microphone Shoulder Speaker Mic Heavy Duty [IP54 WaterProof] For Vertex Standard EVX-531, VX-241 2 Way Radio Coodio's Vertex Standard EVX-531, VX-241 two way radio heavy duty IP54 waterproof remote lapel microphone speaker mic simplifies jobs by allowing users to talk and listen without having to remove their radios from belts or carrying cases. This Remote Microphone conveniently with an IP54 water rating conveniently clips to your shirt pocket or lapel and enables easy communication, a large housing makes it easier to operate while wearing gloves in a more rugged environment. Includes Push-to-talk switch, coiled cord, swivel clip and 3.5mm audio jack available to attach listen only earpiece for discreet communications. Excellent for user in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, party, building construction, stage, studio, hunting, outdoor and noisy environments. Compatible with 1-Pin(with 2 screws) Vertex Standard portable handheld walkie talkies two way radios including EVX-531, EVX-534, EVX-539, VX-231, VX-241, VX-261, VX-264, VX-451, VX-454, VX-459, VX-420A...