Bilt Techno 3.0 Modular Sena Bluetooth Helmet The Bilt Techno 3.0 Modular Bluetooth Helmet is an ingenious fusion of advanced connectivity and rider convenience. Harnessing the power of Sena Dwo-6 Bluetooth innovation, this helmet seamlessly links you to your devices and fellow riders. The cutting-edge Sena integration arrives pre-fitted, alleviating the hassle of speaker, microphone, and control unit installation within your helmet. With an inbuilt retractable sun shield and ample ventilation, the Techno 3.0 emerges as the ultimate choice, catering brilliantly to both daily commutes and long haul adventures. Note: Customers have found this helmet runs small and recommend sizing up one size. Shell: Injection molded alloy composite modular shell Aggressive shell design with aerodynamic shape for sleek performance 2 shell sizes: Xs-2Xl / 3Xl-5Xl Shield: Clear Pinlock-ready face shield Drop-down tinted sun visor Internal drop-down sun shield Comfort: Multi point surface mounted airflow ventilation system including chin, forehead, and metal mesh rear exhaust vents Removable moisture-wicking comfort padded lining and cheek pads using a antimicrobial finishing material to help keep your helmet fresh Safety: DOT approved Double D-ring safety retention system Quick release push button chin-bar operation Bluetooth: Integrated Sena Dwo-6 Bluetooth v4.1 system Wave Intercom compatibility eliminates distance and device limitations: Connects riders using any brand of Bluetooth or Mesh comm system ( read more ) Wave App is free and available on the Google Play Store or Apple Itunes Up to 4-way intercom support Voice operated phone and intercom communication Automatic audio boost in noisy environments Phone conference Music sharing Speed dial Last number redial Max intercom distance of up to 1000m (0.6 miles) Up to 8 hour talk time w/ 7 day stand-by time Smartphone app supported Compatible with Sena Remote Control devices (sold separately)