Average Weight: 1,680 grams. Helmet Construction: Fiberglass composite shell. Double D-ring chin strap. Stay Cool: Chin and forehead venting. Interior & Linings: Built-in Sena 30K Bluetooth¨ communication system connects up to 4 riders and built-in mesh intercom technology (closed/private mode) connects up to 16 riders for intercom, integrated speakers and microphone—no setup or install needed. Removable, washable liner. Larger speakers for more bass and improved sound quality. Built-in FM radio. Includes rechargeable battery and charger. Bluetooth Specifications: Bluetooth 4.1, Headset Profile (HSP). Hands-Free Profile (HFP). Advanced Audio Distribution Profile (A2DP). Audio Video Remote Control Profile (AVRCP). Advanced Noise Control. Wind noise reduction. Working distance of up to 900 meters (0.5 miles) in open terrain. Supports up to 4 riders. Built-in FM radio with RDS AF (Radio Data System Alternate Frequencies). RF certified in the US, Canada, Mexico, EU28, and Australia only. Ride-Enhancing Features: Helmet bag included. Manufacturer & Certification: Sena. Meets ECE 22-05 requirements.
