AOER 1-pin Covert Acoustic Tube Headset Earpiece Mic For Cobra Micro-Talk 2 Way Radios Walkie Talkie MT200 MT525 MT550 PR375 PR385 PR550 CX80 Advanced Nipple Covert Acoustic Tube Bodyguard FBI Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Motorola COBRA Talkabout Walkie Talkie Two Way Radio Bodyguard FBI Security Door Supervisor 1pin. 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. 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 police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments.