Dkoni Bike Helmet With Led Lights Adult Cycling Helmet For Urban Commuter Usb Product Features DUAL SAFETY CERTIFIED - DKONI LED lights bike helmet meets US EU safety standard, High-strength shock-resistant hard outer shell and 0.7-0.8inch(1.8-2CM) thicker EPS foam provide stronger protection USB RECHARGEABLE LED LIGHTS HELMET - Built-in USB rechargeable lights more durable. Press and hold the switch for 3 seconds to power on, the front and rear lights are switched on permanently,the second press activates the flashing light mode.To charge the light's battery, pls use a cable with a universal 5v micro-USB connector.Fully charged in 2 hours THRRE SIZES BIKE HELMETS - 3 sizes DKONI commuter helmet with a adjust dial suit for different head sizes and different people like adults,men,women,youth,boys,girls.S:18.9-21.5inch(48-55cm)M:20.5-22.5inch(52-58cm)L:22-24 inch(56-61cm) VENTILATION SYSTEM - 20 Air vent holes reduce sweating and keep staying cool and fresh, suit for multi sports like biking, cycling, skateboarding, scootering, skating?BMX, MTB inline roller Skating and urban commuter A HELME TPROTECT YOU DAY AND NIGHT - Hard ABS shell(Shock-resistant) + imported EPS(shock-absorbing),bright front LED lights illuminates the front for your when riding at night, red tail warning lights makes you stay visible and increase more security DURABLE AND CONFORTABLE PROTECTIVE GEAR - DKONI urban helmet super conforblae,durable and sturdy ABS shell+better shock absorption EPS+soft removable hot-pressing inner linings easy to wash+USB rechargeable front back LED lights.One DKONI helmet provides multiple security,comfort and convenience Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!