• Material: Integrated PC shell, effective impact resistance, wear-resistance and drop resistance. Thickened EPS liner with cushioning effect.
• Lighting highlights: Equipped with illuminated headlights + warning taillights, the headlights are in constant mode, the taillights are adjusted in three gear modes, constantly on-fast flashing-explosive flashing, safer riding at night.
• Battery: 750mah rechargeable lithium battery, USB charging mode, can be fully charged in 2.5h, the most power-consuming mode can last more than 10h.
• Size optional: There are adjustable knobs on the back of the head, M: head circumference: 54-57cm, L: head circumference: 58-61cm. For a perfect fit, measure the circumference of the head starting in the middle of your forehead to ensure you choose the correct size. 

Specification:
Product name: Protective helmet
Material: PC shell, EPS liner
Product highlights: lighting headlight + warning taillight + USB charging
Headlight mode: white light is always on
Tail light mode: constant light-fast flash-burst flash
Number of ventilation holes: 12
Size: Adjustable knob on the back of the head, M: Head circumference: 54-57cm, L: Head circumference: 58-61cm
Battery: 750mah, 2.5h full charge, the most power consumption mode can last more than 10h
Applicable scene: Scooter, cycling, balance bike, skateboard, etc.

Package Included:
Helmet * 1
USB cable * 1