HJC 578-614 SY-MAXBT III Bluetooth Modular Motorcycle Helmet (Matte Black, Large) Advanced Fiberglass Spectra Composite Weave Shell with Injection Molded Lightweight Polycarbonate Chin bar - Single-Button One Handed Chin Bar/Face Shield Release - Superior Fit and Comfort Using Advanced CAD Technology ACS Advanced Channeling Ventilation System - Full Front to Back Airflow Flushes Heat and Humidity Up and Out One Touch Integrated Smoke-tinted SunShield Deploys Quickly and Easily (HJ- V5) Patent Pending - Three Stage Multiple Positions with Locking Mechanism Bluetooth Ready with Integrated Recess and Interior Speaker Cavities (Bluetooth unit sold separately) Optically Superior Pinlock Faceshield Provides 95 percent U.V. Protection (HJ-17 ) Pinlock Insert Sold Separately