Smart Skateboard Bicycle Helmet with Lights Cycling Battery Electric Road Bike Driving Mountain Bike Sports

Size:S (48-53cm head circumference), M (54-57cm head circumference), L (58-61cm head circumference), XL (61-64cm head circumference) Origin: China

Protected area: head Category: Head protection Applicable gender: neutral/both male and female

Helmet protective gear, unique style, exquisite materials, light weight, large effective protection area, good ventilation and heat dissipation performance, safe and comfortable to wear

Applicable scenes: ice and snow sports, hiking and camping, sports protective gear accessories, dance sports, venue entertainment equipment, other ball sports, sports, other

Features: 1. This is a protective head equipment 2. The shell is made of high-strength material, which can decompose external impact forces. 3. The internal buffer layer uses energy-absorbing foam or honeycomb structure materials to slow down vibration during collisions. 4. The fixing system ensures that the wear is secure and fits different head shapes through adjustable webbing, knobs or snap-on devices. 5. Its design includes air holes to promote air circulation.