Adjustable Brightness: With 3 lighting modes (low, medium, strong), you can easily customize the brightness of this LED hat with a simple touch of a button to suit your needs in any situatione,enjoy up to 2-4 hours of light on a full charge, depending on the brightness level selected | Universal Fit: Crafted from high-quality stretchable materials, this LED beanie hat provides a comfortable and secure fit for a wide range of head sizes, accommodating everything from small to large heads, as well as unique shapes. The flexible design ensures easy wearing and removal, while the unisex style makes it a perfect choice for both men and women, combining practicality with universal appeal | Perfect Gift Idea: This versatile beanie hat, designed for both men and women, makes a unique and thoughtful gift for any occasion, including birthdays, Thanksgiving, Christmas, Valentine's Day, Father's Day and more, making it the perfect winter present for parents, grandparents, partners, friends, and siblings | USB Rechargeable: Featuring standard USB charging ports for convenient recharging, this beanie can be charged using a car charger, computer, or portable power bank, with a full charge time of approximately 2 hours, ensuring you're always prepared for extended use | Wide Application: An ideal companion for various winter outdoor activities such as dog walking, jogging, skiing, biking, camping, hunting, fishing, hiking, running, barbecuing, car repair, home improvement, or any other task that requires hands-free lighting