SUNDELY&reg; Close Full Face Helmet Motorcycle Motorbike Headset/Earpiece with Boom Mic & Finger PTT for Yaesu/Vertex Radio VX-120 VX-127 VX-7E VX-7R 1-pin Close Full Face Helmet Motorcycle Motorbike Headset/Earpiece with Boom Mic & Finger PTT for Yaesu/Vertex Radio 1-pin jack, For full face helmet, Finger PTT VX-6E, VX-6R, VX-7E, VX-7R, VX-120, VX-127, VX-170, VX-177, VX-270, VX-460 VXA-300, VXA-700, VXA-710 HX471, FT-250R, FT-270R, FT-277R