Product Details
Brand: ROCKBROS
Name: Light helmet, Cycling Helmet, Bike Helmet, Bicycle helmet
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
Head circumference: 57-62cm
Product Features
1. Ultralight, Integrally-molded, Insect net helmet
2. Waterproof, Shockproof, Safety
Front light, Warning light,Rainproof, Integrally-moled