Zeadio G Shape Earpiece Headset for 1 PIN 3.5mm Yaesu Vertex Radio FT-50 FT-60 FT-10R FT-40R FT-50R FT-60R etc. Sold exclusively by Zeadio. 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