4X 2 Pin Advanced D Shape Clip-Ear Ptt Headset Earpiece Mic for 2 Way2305
2 pin Soft rubber D-ring Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone Radio Security Door Supervisor 2pin. Radio D Shape 2Pin PTT Headset Earpiece. Built-in line microphone and push-to-talk button.