ROCKBROS 400 Lumens 3 Modes Cycling Helmet Waterproof Ultralight Helmet Intergrally-molded Mountain

Specifications BrandROCKBROSMaterialEPSSizeHead Circumference 49 59 cmWeight g About 330gPowerUSB ChargingBattery2000 MilliampereTimeMightyabout 4 hoursLowAbout 9 hoursFlash About 24 hoursOnly SideRear Warning Light About 1 monthFunctionWaterproof Shockproof SafetyAir Vents 20ColorBlack Blue White Red YellowFeatures Ultralight Intergrally molded Insect net helmet Waterproof and shockproof offering you more safety Package Included 1 x Headlamp1 x USB Cable