Bilt Techno 3.0 Bluetooth Helmet The Bilt Techno 3 helmet presents a prime option for motorcycle enthusiasts, featuring an aerodynamic and stability-enhancing aggressive injection molded polycarbonate shell. It comes in two shell sizes to ensure a perfect fit and employs a quick-release, double sprung face shield system alongside a center lock face shield with turbulators for optimal air flow and fit. Certified by DOT and equipped with a double D-ring closure system, this helmet doesn't compromise on safety. It incorporates a Sena Dwo-6 Bluetooth v4.1 system, offering 4-way intercom support, hands-free operation for phone and intercom, automatic audio adjustment in noisy conditions, music sharing and compatibility with Sena Remote Control devices for effortless control. For enhanced rider convenience, it provides a drop-down sun visor to mitigate glare and eyeglass-compatible cheek pads for comfort. It offers a max intercom distance of 1000m, 8 hours of talk time and a 7-day stand-by period, ensuring uninterrupted connectivity. Smartphone app support adds to its versatility, making it a reliable choice for riders prioritizing safety and convenience. Note: If you measure in between sizes or measure at the top end of a size, customers recommend ordering the larger size. Features: Sporty, full face helmet with integrated Sena Bluetooth Aggressive hawksbill shape for the full tuck Streamlined top vents and rear spoiler to help stability at speed 4 active intake vents, chin vent flows to face and shield and 1 passive exhaust vent under the rear spoiler Injection molded full face polycarbonate shell Aerodynamic shell slices through the wind while maintaining stability 2 shell sizes: Xs-Md / Lg-2Xl Drop-down tinted sun visor Rod actuated for smoother / consistent movement Trigger is behind the left shield release Double gasket seal at base of face shield Removable chin skirt included Shield: Quick release double sprung face shield system to pull shield tight to gasket Center lock face shield with turbulators to help release the airflow from the helmet Drop-down tinted sun visor Comfort: Eyeglass-compatible cheek pads to accommodate most eyeglasses Safety: DOT approved Double D-ring safety retention system 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 Music sharing 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)