abcGoodefg Shoulder Remote Speaker Mic Microphone for 1 PIN Yaesu Vertex Walkie Talkie Radio FT-50 FT-60 FT-10R FT-40R FT-50R FT-60R VX-110 VX-150 VX-130 VX-131 VX-132 VX-160 VX-180 (Model #4) Talk and listen without ever holding your radio. Built-in PTT and microphone is very handy. Compatible With Yaesu/ Vertex radios that required one pin plug Radio can be placed anywhere with Microphone/Speaker conveniently located - wear it on your collar to keep the volume near your ear 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. Compatible with All Yaesu/ Vertex radios that required one pin plug