Clear Acoustic Tube Covert 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 Bodyguard FBI Security Door Supervisor 3.5mm. 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. for demanding covert security applications where sound clarity and earpiece durability are of paramount importance. Excellent for use in police, , nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. Covert Acoustic Tube Earpiece Headset for Yaesu Vertex VX-1R 2R 3R 5R 150 160 180 210 210A Two Way Radio 3.5mm. Specification: Material: Plastic Size:100x80x30mm Package Includes: 1Piece Acoustic Tube Earpiece Earphone