AOER 2-pin G-Shape Headset/Earpiece Mic for Walkie Talkie Motorola Radios AU1200 AV1200 BPR-40 BPR40 MagOne ECP100 SV11D SV12 SV21 Listen and talk headset with PTT and in the line for easy operation Hidden microphone inside PTT button Soft ear-hanger that fit comfortably when wearing Provides excellent durability, reliability and performance in low-profile environment. The earpiece and PTT using better materials and components, allows longer time use.