abcGoodefg Motorola 1 Pin Full Face Motorcycle Bike Headset Earpiece Mic Earphone Headphone for Motorola Two Way Radio Talkabout Designed to work with moto/bike racing helmet. PTT button with velcro which can be fixed to handlebar is convenient to use. Noise cancelling with boom mic microphone. Dual speakers with sticker, can be pasted to inside of the helmet. Full Face Motorcycle Bike Helmet Earpiece Headset Mic Microphone for Motorola Talkabout Radio Walkie Talkie Security Door Supervisor 1pin. Compatible with two way radios walkie talkie that required Motorola 1 pin plug. Including COBRA MT200, MT400, MT550, MT600, MT750, MT800, MT850, MT900, MT975 Motorola TLKR T3, T5, T6, T7, T8, T9, PMR446, XTR446, XTL446 Motorola Talkabout: T5022, T5412, T5422, T5522, T5532, T5622, T270, T280, T289, T4000, T6000, T7000, T8000, T9000, T4800, T4900, T5000, SX620R, SX700, SX709R, SX750, SX800, SX900, SX920R, FV200, FV300, FV500, FV600, FV700, FV750, FV800, EM1000, EM100R, EM1020R