1. Soft material: The winter hat is made of super soft, excellent thermal insulation acrylic blend and polyester material, which can provide excellent thermal insulation and resistance to cold winter air, environmental protection, no fading, no deformation, fully washable, Stretchable, one size fits all.2. LED light design: The LED beanie has built-in detachable 4 special rechargeable LED lights, which provide enough light for you to find your way in the dark or complete tasks in low light environment. A standard USB port is available to charge the battery so you can charge it in your car, computer or portable power bank. 4 LEDs provide over 48 lumens. You can say goodbye to flashlights.3. Rechargeable battery: The LED beanie has a built-in 3.7v 250mAh rechargeable lithium polymer battery, it has 2 different lighting modes: white light and red-blue flashing, red-blue flashing light has 3 flashing modes: red flashing - blue Flashing - Red and blue flashing.4. MORE CONVENIENT: The LED Beanie combines super bright LED technology with a high-quality wool beanie-style hat, giving you the perfect hands-free flashlight. The soft, moisture-wicking lining wicks moisture away from your head, keeping you warm and dry. No matter where you are and what you want to do, this hands-free glow-in-the-dark hat is up to the challenge. Perfect for dog walking, running, jogging, camping, fishing, biking, BBQ, car maintenance and more.5. Wide range of applications: Because of its simple operation, convenient use, detachable, and convenient cleaning, the beanie hat is especially suitable for people who like to do sports in winter, which can protect you from the cold. Especially suitable for outdoor sports such as walking, jogging, running, climbing, skiing, skating, hiking, camping or other outdoor activities.6. IDEAL GIFT: The winter knitted hat with LED light keeps you warm when you go out in the cold winter. Perfect for dog walking, jogging, biking, camping, hunting, fishing, hiking, handyman work, barbecues, auto repair and home improvement or any other activity that requires hands-free lighting. So you can keep working on cold days. The perfect gift for a man, dad, his dad, husband, boyfriend and handyman.