The Sena R1 Smart Cycling Helmet is a blend of technology and traditional construct, featuring built-in speakers and mic into the shell of a cycling helmet. Enhance your cycling experience within your cycling group with group intercom, giving you the ability to communicate with your group with a range of up to a half-mile. Sena's Advanced Noise Control technology ensures your voice is transmitted clearly with no wind or white noise to be heard. Listen to your music, hear GPS navigation, take phone calls and more when you pair your smartphone to the R1. With a comfortable design, removable and washable inner padding, nylon chinstrap, and a spin lock to adjust the fit, the Sena R1 is ready for your next cycling adventure. This helmet complies with 16 CFR Part 1203 safety standard.