Zeadio Shoulder Remote Handheld Mic Microphone Speaker 3.5mm Headphone Jack with Red Light for 1 Pin Vertex Radio Vx-160 Vx-180 Vx-210 Vx-210a Vx-231 Vx-350 Vx-351 Vx-354 Vx-410 Vx-420 Vx-420a Etc. Talk and listen without ever holding your radio. Push-to-talk button and microphone are located on the accessory for quick and easy use. Great for noisy AND quiet areas because speaker is located right near user's ear. Radio can be placed anywhere with Microphone/Speaker conveniently located - wear it on your collar to keep the volume near your ear Built-in PTT and microphone is very handy Sold exclusively by Zeadio