1、Made of premium PC housing and high-density EPS foam, it can effectively cushion the impact in case of collision and better protects the head. 2、With multiple vents, it follows the principle of aerodynamics, allowing the air to circulate while riding, it is breathable and not stuffy. 3、With LED taillights, intelligent remote controlling, easy to operate, effectively reminding pedestrians and vehicles behind, making riding safer. 4、With a rotating dial on the back, plus an adjustable fixing system, which can help you adjust the helmet to a suitable size for a more comfortable fit. 5、Lightweight adult Cycle helmet that will not burden you, suitable for outdoor activities such as Cycle, scooter, roller skating, etc. Practical scooter safety helmet, breathable and comfortable, effectively protects the head while riding. With LED taillights, intelligent remote controlling, effectively reminding pedestrians and vehicles behind, making riding safer. Features: Made of premium PC housing and high-density EPS foam, it can effectively cushion the impact in case of collision and better protects the head. With multiple vents, it follows the principle of aerodynamics, allowing the air to circulate while riding, it is breathable and not stuffy. With LED taillights, intelligent remote controlling, easy to operate, effectively reminding pedestrians and vehicles behind, making riding safer. With a rotating dial on the back, plus an adjustable fixing system, which can help you adjust the helmet to a suitable size for a more comfortable fit. Lightweight adult Cycle helmet that will not burden you, suitable for outdoor activities such as Cycle, scooter, roller skating, etc. Specifications: Color: Black/ White(optional) Material: PC + EPS Battery: Built-in 3.7V, 750mAh Battery Helmet Size: 274 * 224 * 163mm/ 10.8 * 8.8 * 6.4in Helmet Weight: 480g/ 16.9oz Package Size: 280 * 240 * 170mm/ 11.0 * 9.4 * 6.7in Package Weight: 680g/ 24.0oz Packing List: 1 * Helmet 1 * Remote Controller 1 * USB Cable 1 * Silicone Strap 1 * Manual 1 * Helmet 1 * Remote Controller 1 * USB Cable 1 * Silicone Strap 1 * Manual