Zeadio Throat Mic Microphone Covert Acoustic Tube Earpiece Headset with Finger PTT for 1 PIN 3.5mm Yaesu Vertex Radio Ft-10r Ft-40r Ft-50r Ft-60r Vx-10 Vx-14 Etc. Excellent for use in police, military, nightclubs, bars, paintball, security,restaurants, hotels, bouncer, warehouses, and noisy environments. Durable and thick cable, designed for tough environment This headset is for All Yaesu/ Vertex radios that required one pin plug