Dual Visor Flip Up Motorbike Graphic Helmet-I97Product Features: This racing style helmet features a smart Bluetooth flip design that seamlessly integrates wireless communication and dual mode switching. A stable smart Bluetooth 5. 0 connection, coupled with a 500mAh battery, provides up to 20 hours of continuous talk time. Simply flip up the visor to convert it into a half helmet for easier communication and hydration. The large visor blocks 98% of glare, and the streamlined shell reduces wind