LIVALL C20 Bike Smart Helmet for Urban Commuters Adults Safety Certified for Bicycle Skateboard Scooter Road Bike Cycling Helmet, Bike Accessories, Brake Lights, Bluetooth Connected, Urban Riding
(as of Nov 01, 2022 17:06:59 UTC – Details)
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Fits For Your Head: Medium from 21.26 to 22.83inches(54-58cm); Large from 22.44 to 24inches(57-61cm). To ensure a comfortable fit, please choose a size 2cm larger than your actual head circumference.
Auto-Off Function: It ensures maximum battery longevity by automatically powering off when it is disconnected from a phone and has been motionless for 15 minutes.
Integral Molding for Better Protection: The outer shell of the bicycle helmet employs PC (polycarbonate) material while the inner shell uses imported PSI-205T high density EPS (polystyrene foam). With an integral molding of external and internal layers, it dramatically strengthens the helmet impact resistance for safer daily joumeys on the road.
SOS Alert: When wearing this riding helmet, if you don’t move within 90 seconds after an accident collision, the emergency alarm function will be triggered by itself, and the SOS signal will be sent to your emergency contacts on impact immediately via LIVALL Riding APP. So you are always on the safe side even on lonely paths.