AOER Covert Acoustic Tube Earpiece 2 PIN for Motorola Radio(Pack of 10) 2-pin clip on earpiece compatible with 2 pin Motorola radio devices Soft plastic ear bud to fit snuggly in your ear with a transparent acoustic tube (extra ear bud included); Hidden microphone inside PTT switch Great for use in police, military, nightclubs, bars, paintball, security, restaurants, hotels, bouncer, warehouses, and noisy environments. A 2 pin earpiece headset with PTT, providing you clear sound performance without distortion for both listen and talk. With transparent acoustic tube, this two way radio headset earpiece with mic makes you low profile and protects your health from radio electromagnetic wave radiation.