Bigstone Covert Acoustic Tube Earpiece Headset for Yaesu Vertex VX-6R 7R 6E 7E 120 127 170 177 Two Way Radio Clear Acoustic Tube Covert Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Yaesu Vertex VX-6R 7R 6E 7E 120 127 170 177 Radio Bodyguard FBI Security Door Supervisor. 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. Ideal for demanding covert security applications where sound clarity and earpiece durability are of paramount importance. Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. Sold and warranty by Dragon Flying