Hypario&reg; Simple 2-pin Covert Acoustic Tube Earpiece Headset for Kenwood Wouxun Baofeng Two Way Radio 2pin 2 pin Clear Acoustic Tube Covert Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Kenwood Wouxun Puxing Baofeng Radio Bodyguard FBI Security Door Supervisor 2pin. 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.