R1 Smart Helmet

• Fully Bluetooth integrated bicycle helmet with HD Audio speakers and microphone • Talk with up to 3 other friends via Bluetooth intercom over up to 900 meters (0.5 miles) in open terrain • Connect with your phone for fitness aps, GPS, music or to take or make phone calls. • User-friendly three-button design on the side of the helmet makes it easy to navigate and use • Sena's patented Advanced Noise Control technology for minimal wind and background noise allows you to communicate easily while riding. • Compatibility with additional Bluetooth accessories and smartphone apps for larger intercom groups and feature controls • Operating time: 12 Hours talk time, Charging time 3.5 hours with Lithium Polymer Battery, Weight 380 g (13.40 oz) • 3 sizes S, M(55-59cm), L(59-62cm) with Sena Spin Lock for adjustable sizing • 2-year warranty and firmware upgrades