Features: The Magnetic Bike Helmet with Detachable LED visors combines innovative magnetic attachment, USB rechargeable lighting, and lightweight EPS+PC construction for secure nighttime cycling and visors swap. Magnetic connection design, high brightness LED light, all-round protective structure, maintains lightweight without compromising safety. Designed for commuters needing adaptability, adventure cyclists prioritizing visibility, and cosplayers seeking functional costume headgear with authentic detailing. Optimized for navigating busy streets, multi visors adjustments during istance tours, and thematic event requiring stylish yet protective cycling accessories. Engineered with airflows optimized vents and adjustable retention systems, this magnetic LED helmet ensures comfort. Specifications: Component: PC Optional Color: As picture shown Size:approx. As picture shown 29x17cm/11.41x6.69in Suitable for head circumference :approx. 57-61cm/22.44-24.01in Quantity: 1pc Package Includes: 1pc Bike Helmet with LED light note: Please allow 1-3cm error due to manual measurement. please sure you not mind before you bid. Due to difference between different monitors, the picture may not reflect the actual color.