
Best Selling USB LED Taillight Helmet for Men's Cycling Safety. USB LED Taillight: Integrated USB LED taillight significantly boosts visibility and safety for cycling. Customized Color: Offers 5 standard color options with acceptable customized color requests. Adjustable Sizing: Adjustment Sizing System fits head circumference from 57-61cm (22-24in). High-Density Protection: Constructed with durable PC shell and high-density EPS for strong impact protection. Breathable Air Vents: Features 24 air vents designed for optimal airflow and comfort. Comprehensive Accessories: Includes bug nets and a large extended visor for added convenience. International Certifications: Certified by CPSC 16 CFR 1203 (USA) and CE EN 1078 (EU) for safety compliance. OEM Services: Over 10 years of OEM experience with free logo printing for bulk orders.