3 light modes: hard light mode, medium light mode, and soft light mode; 3 white light lighting modes that you can switch between help you see clearly. LED lights USB charger that does not need to replace batteries; Note: When the USB port is properly plugged in for charging, the LED indicator will light up and flicker. When the battery is fully charged, the LED indicator will go out. High-quality material: Our LED beanie caps are made of high-quality acrylic fabric and LED lights. Soft and cozy to keep you warm on cold days. Package includes 2 pieces LED knitted hat beanie cap. Good elasticity and easy to adjust: High-quality material offers comfort and enough freedom of movement for the head; Universal size fits most boys, girls, men, and women. Beautiful and practical hat in winter: When you are driving, walking, cycling, camping, hiking, hunting, or repairing in the dark night. It's a good companion to keep your vision bright and clear and prevent your head from freezing in cold weather.Apply to: Easy to remove the light for charging or washing; This LED beanie is a practical gift for family and friends who enjoy the outdoors and serves as a warm winter underwear set.