2 pin Soft rubber D-ring Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Radio Security Door Supervisor 2pin.Design by Big Speaker Unit, Clip this hands free earpiece more→onto your shirt and begin using your radio device to communicate discretely and easily, whether you're in security, retail, or hospitality.Built-in line microphone and push-to-talk button. The earbud fits snugly in the ear with easy and keeps your conversations private.Excellent for use in police, , nightclubs, bars, , security, restaurants, hotels, bouncer, warehouses, and noisy environments.Compatible with two way radios walkie talkie that required 2 pin plug. Including CLS Series, XTN Series,…