Advanced Nipple 2 pin Acoustic Tube Covert Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone PTT for Motorola Radio Security Door Supervisor 2pin. * Clip this hands free earpiece onto your shirt and begin using your motorola radio device to communicate discretely and easily, whether you"re in security, retail, or hospitality. * Nipple Style makes it more comfortable to wear, better materials and components made earpiece and PTT allows longer time use. * Ideal for demanding covert security applications where sound clarity and earpiece durability are of paramount importance. * Excellent for use in FBI, Bodyguard, police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments.