ROCKBROS Bicycle Helmet Cycling Helmet With LED Warning Light Ultralight Road Bike Helmet Electric Bicycle Helmet Sport Safe Hat

Product Detail:

Brand:       ROCKBROS

Name:       Light helmet, Cycling Helmet, Bike Helmet, Bicycle helmet

Power:      USB charging

Feature:    Ultralight, Integrally-molded, Insect net helmet

Function:   Waterproof, Shockproof, Safety

Battery: 2000 Milliampere

Usage Time:

Highlight intensity: about 4 hours

Lowlight intensity: about 9 hours

Flash: about 24 hours

Only side & rear warning light about 1 month

Head circumference: 57-62cm