The Bilt Techno 2.0 Evolution Modular Helmet takes the Bilt Evolution Helmet and integrates the Sena DWO-5 v3.0 System to create a touring helmet completely decked out with all the features you need. Ventilation, a drop down sun visor and flip up chin bar complement the Bluetooth comm system that connects you to your devices and other riders. Universal Intercom protocol works across all brands 8 hour talk time with 7 day stand-by time Hands free mobile phone communication Intercom for rider to rider, 400m rider to passenger Multi-point surface-mounted airflow ventilation system Meets or exceeds DOT standards