The Stryker is Sena's latest full face smart helmet, equipped with both Mesh Intercom* and Bluetooth? Intercom technology plus premium speakers and microphone by the audio experts at Harman Kardon. Stryker*s seamlessly integrated speakers bring a new level of precision and clarity to in-helmet audio as well as a newly designed microphone for unprecedented outbound audio quality. The Stryker helmet is packed with premium features including an integrated taillight and a convenient retractable sun visor. The helmet features a DOT-rated composite fiberglass shell and offers an impressive seven-vent design with an intermediate oval fitment. Features: Meets or exceeds DOT & ECE Standards Full Face Helmet Design Premium Speakers & Microphone 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 mode and taillight usage) Retractable Sun Visor Voice-Activated Digital Assistant Access (*Hey Google*/*Hey Siri*) Voice Commands in 8 Languages Magnetic Pogo Charging Port Optional Pinlock?-ready shield accessory available Available in Glossy White & Matte Black Intermediate Oval Fit