Specification: USB rechargeable. Its standard USB port allows you to charge in the car, with your computer, or with a portable power bank. Washable: The headphones can be easily removed when the beanie needs to be washed for cold weather. Perfect winter beanie: The Azultooth beanie provides a super warm, ultra-soft, plush, double-knitted material that is designed to keep users warm. Light up your way: Hands-free headlamp LED beanie is the best solution for those who enjoy outdoor activities at night. Headlamp beanie - Built-in LED light allows you to see in the dark. Beanie with light: With 10 hours of runtime on a single charge, this LED beanie will always light up your way when you need it. Comfortable and stylish: Unisex design, kids & men & women SIZE to keep everyone's head and ears warm. With three intensity settings, you'll have the perfect amount of light for any task. Best gift choice: This one-SIZE-fits-all unisex beanie will keep everyone's head protected from the cold. Best gift choice for Thanksgiving Day, Christmas, birthday, and other special occasions. Products from Chunchuan's store