AOER D Earpiece Headset Mic For Motorola Radios Walkie Talkie 2 Pin Jack 2 pin Advanced D Shape Police Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Motorola Radio Security Door Supervisor 2pin The earpiece and PTT using better materials and components, allows longer time use. Provides excellent durability, reliability and performance in low-profile environment. Compatible with motorola two way radios walkie talkie that required two pin plug. Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments.