Tenq D Shape Earpiece Headset PTT Mic for 2-pin Midland Alan Radio 2 pin D Shape Earpiece Earphone Headset PTT(Push To Talk) with built-in line mic microphone for Midland Alan Radio Security Door Supervisor 2pin. Clip this hands free earpiece onto your shirt and begin using your radio device to communicate discretely and easily, whether you're in security, retail, or hospitality. The earbud fits snugly in the left or right ear with easy and keeps your conversations private. Provides excellent durability, reliability and performance in low-profile environment.