Buwico&reg; 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 VX-210 VX-210A etc. Built-in PTT and microphone is very handy. Compatible With Yaesu/ Vertex radios that required one pin plug Make from high quality plastic, not easy to break Clear sound and accurate communication. A strong swivel retaining clip on the back for convenience. Heavy duty and Compact Design. 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 VX-210 VX-210A etc.