Advanced G Shape Police Earpiece Headset for Yaesu Vertex VX-1R 2R 3R 5R 150 160 180 210 210A Two Way Radio 3.5mm 1 pin Advanced G Shape Police Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Yaesu Vertex VX-1R 2R 3R 5R 150 160 180 Radio Security Door Supervisor 3.5mm. The earpiece and PTT using better materials and components, allows longer time use. Clip this hands free earpiece onto your shirt and begin using your radio device to communicate discretely and easily, whether you're in security, retail, or hospitality. Provides excellent durability, reliability and performance in low-profile environment. Ideal for demanding covert security applications where sound clarity and earpiece durability are of paramount importance.