Communicate discretely and easily, whether you're in security, retail, or hospitality. This design makes it more suitable for the wild ride, hunting, climbing and other outdoor environment. The style makes it more comfortable to wear, better materials and components made earpiece and PTT allows longer time use. Great for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. Bodyguard FBI Covert Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Motorola Radio XPR3300 XPR3500 XIR P6620 XIR P6600 E8600 E8608 MotoTRBO Security Door Supervisor.