KEYBLU Walkie Talkie Earpiece/Earphone/Headset for Motorola Two Way Radio 2pin D Shape Keyblu D Shape Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Motorola Radio Security Door Supervisor 2pin The earbud fits snugly in the left or right ear with easy and keeps your conversations private. Excellent for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. The Push-To-Talk (PTT) button on the microphone is easy to use. Excellent audio quality, even in noisy environment, can hear clearly.