Riding smart begins with prioritizing safety, which is why we offer these sleek helmets designed to protect you in style. Our helmets not only provide optimal safety features but also enhance your riding experience, allowing you to enjoy the journey.. Specification:Product name: Protective helmetMaterial: PC shell, EPS linerProduct highlights: lighting headlight + warning taillight + USB chargingHeadlight mode: white light is always onTail light mode: constant light-fast flash-burst flashNumber of ventilation holes: 12Size: Adjustable knob on the back of the headL: Head circumference: 58-61cmApplicable scene: Scooter, cycling, balance bike, skateboard, etc.. Package Included:Helmet * 1USB cable * 1