Removable LED lights can illuminate distances up to 30 feet. The LED light is detachable for easy cleaning and charging.The brightness of the LED beanie can be changed by simply touching 3 brightness levels, so you can adapt to any environment.A standard USB port is provided to charge the battery. You can charge the LED cap in a car charger, computer, or portable power bank for up to 4 hours of continuous use or up to 68 hours of intermittent use.This lightweight LED hat is suitable for dog walking, running, hunting, camping, traveling and other outdoor activities. Stay warm and protect yourself in cold weather.This LED light Doudou is soft and comfortable, suitable for most people, without gender differences. A lovely gift for family and friends.