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BSTiltion
Mountain Bike Helmet Multifunctional 3 in 1 Cycle Helmet with LED Light, Bicycle Taillights Cycling Helmet Impact Resistant USB Charging for Ladies Men, Scooter / Mountain / Road / Balance Bike
BSTiltion Mountain Bike Helmets
MULTIFUNCTIONAL 3 IN 1 BICYCLE HELMET: Not only helmets, but also front and rear lights. Equipped with illuminated headlights and 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 SUPPLY, USB CHARGING: 750mah rechargeable lithium battery, USB charging mode, can be fully charged in 2. 5h, the most power-consuming mode can last more than 10h. Charge in the shortest time, but can continue to use for a long time. , BATTERY SUPPLY, USB CHARGING: 750mah rechargeable lithium battery, USB charging mode, can be fully charged in 2. 5h, the most power-consuming mode can last more than 10h. Charge in the shortest time, but can continue to use for a long time. , SIZE OPTIONAL: There are adjustable knobs on the back of the head, There are 12 ventilation holes for continuous heat dissipation. Size: M: head circumference: 54-57cm, L: head circumference: 58-61cm. In order to
