Artistic skull-painted full-face modular motorcycle helmet-I93Product Features: This helmet features smart connectivity and 360 efficient heat dissipation. It includes an external smart Bluetooth module for safer navigation and calls. 360 internal ventilation channels and front and rear convection air ducts improve heat dissipation performance by 40%. Sleek, sharp aerodynamic lines and futuristic fluorescent color blocks enhance its style and eye catching appeal by 3 times. Fully compliant with U. S. Department