Zeadio Full Face Moto Motorcycle Bike Helmet Earpiece Headset Mic Microphone for 2 Pin Motorola Radio Xv2100 Xv2600 Xv4100 Xu1100 Xu2100 Xu2600 Etc. Designed Specifically for Outdoor Biking and Cycling Conditions Blocks out Wind and Noise in Extreme Road Environment PTT button with velcro which can be fixed to handlebar is convenient to use. Dual Sided for increased sound and clarity