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

Specifications
Brand:ROCKBROS
Material:EPS
Size:Head Circumference#49-59 cm
Weight (g):About 330g
Power:USB Charging
Battery:2000 Milliampere
Time:Mighty # about 4 hours
Low:About 9 hours
Flash#:About 24 hours
Only Side & Rear Warning Light#:About 1 month
Function:Waterproof, Shockproof, Safety
Air Vents:> 20
Color:Black, Blue, White, Red, Yellow
Features
Ultralight, Intergrally-molded, Insect net helmet.Waterproof and shockproof,offering you more safety.
Package Included
1 x#Headlamp
1 x#USB Cable