DKONI Bike Helmet with LED Lights Bicycle Helmets Commuter Cycling Helmet USB Rechargeable Front & Back LED Light Helmet for Adult Men Women(Small, Black)

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(please charge before use).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