1. This is not only a warm winter hat, but also a hands-free LED flashlight that keeps you warm and lights up your way at night. A popular outdoor lighting for hunting, camping, traveling, running, walking, lighting wherever you want to work and free your hands.2. LED hats are best for fishing, skiing, car repair, jogging, dog walking, working in the car or crafting, hunting, camping, grilling, running, hiking, construction or just for fun, excellent for night activities.3. One size fits most children, excellent gift for boys and girls. The LED knitted hat has a built-in and removable rechargeable LED light, which can illuminate up to 31 feet away.4. Super powerful: The beanie has 4 built-in SMD LED headlights, which provide 120 lumens and up to 4 hours of continuous use or 69 hours of actual intermittent use. Three brightness settings - turn on the lights with the push of a button! Charge from any USB port, car charger or portable power bank. No need to change batteries!