Coodio Remote Lapel Microphone Shoulder Speaker Mic RainProof For Vertex Standard EVX-531, VX-241 2 Way Radio Coodio's Vertex Standard EVX-531, VX-241 two way radio rainproof 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 clips to your shirt pocket or lapel and enables easy communication, rugged enough to withstand the heavy outdoors or even on a recreational level. 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...