Description: The all-new Impulse is a modular smart helmet featuring Sena’s industry-leading Mesh Intercom™ and Bluetooth® Intercom technology plus premium speakers and microphone by the audio professionals at Harman Kardon. The Impulse’s expertly tuned speakers bring a new level of precision and clarity to in-helmet audio plus an all-new microphone for unprecedented outbound audio quality. The helmet boasts an integrated rear-facing tail light for rider visibility as well as a convenient retractable sun visor. Impulse was built with a DOT-rated composite fiberglass shell and has an intermediate oval fitment. Four strategically placed vents, a chin vent, top vent, and two exhaust vents allow for airflow while riding. Features: Meets or exceeds DOT & ECE Standards Modular Helmet Design Premium Speakers & Microphone: SOUND BY by Harman Kardon Integrated Mesh & Bluetooth Intercom systems Multi-Channel Open Mesh Intercom supports virtually limitless riders Group Mesh Intercom supports up to 24 riders in a private group 1.2 mile Mesh Intercom range (can extend 5 mi with minimum 6 riders) 4-way Bluetooth Intercom (1.2 mile range) 18 hour talk time (varies upon intercom and taillight usage) Pinlock®-ready and includes Pinlock anti-fog lens Retractable Sun Visor Voice-Activated Digital Assistant Access (“Hey Google”/”Hey Siri”) Voice Commands in 8 languages Magnetic Pogo Charging Port Intermediate Oval Fit