[LED light beanie hat]-- with integrating LED light, beanie hat helps you see what you are doing in a dim space; A great hands-free way to see and light the way; Ideal for dog walking, jogging, biking, camping, fishing, auto repair, and home improvement.[USB rechargeable and washable]-- rechargeable and removable LED light can be charged by laptop, power bank, socket, car charger, etc., and fully fast charge takes 2 hours; No waste of your cost on batteries; LED light is easy to remove and the knit hat is washable.[4 LED lights and 3 modes brightness]-- 4 built-in LED lights will light up to 30 feet away, which provides enough light; There are 3 levels brightness for you to choose; It will last up to 10 hours in the lowest level, 4 hours in medium level and 2 hours in the highest level.[Stretchy and warm material]-- winter beanie hat with light is made of soft acrylic blend material that provides maximum comfort, lasting warmth in cold and windy winters; The one-size-fits-most knit hat has a nice stretch, which makes sure the comfortable fit on your head.[Warm notes]-- the LED beanies hat is the USB rechargeable design, Please charge it if the LED light don't bright when you get it, it should be the switch was turned on during transport.Please removable LED light then charge it by laptop, power bank, socket, car charger, etc.