Retevis Walkie Talkie Earpiece 2 Pin Acoustic Tube Earpiece Headset with Big Mic PTT Compatible Motorola CLS1410 CLS1110 CP200 GP300 GP2000 Radio(1 Pack) Works great with Motorola radios;two-pin standard diameter ear 2.5mm and 3.5mm stereo;space of two-pin 8mm Ear bud style headset can block outside sound;soft earplug is comfortable even wear for a long time Big size PTT with built-in line microphone;crystal clear sound; convenient for wearing gloves Two wires and two clips;long enough and clamp more firmly; don't worry about pulling or falling Simple and Convenient return process;60 days warranty and 30 day return with no questions asked