Long Battery Life:The battery chip of our wireless beanie plays more than 12 hours: Built-in rechargeable 180mAh battery lasting for 12 hours while others have only 120/150mAh and work only 8 hours. It charges about 1.5-2 hours, providing you up to 12 hours of talking time/music playtime. With our wireless beanie hat for teens Boys Girls, a good wireless hat with music can play for a week. Wireless Beanie Hat has V5.0 technology, you can easily and quickly connect the music beanie cap to your wireless devices in seconds, wireless range up to 33 ft indoors.3-button control panel makes wireless hat easily to switch the songs and controls the volume. The built-in mic and hands-free calling function for music hats let you won't miss any callings, makes you keep your ears and hands warm when you call your families and friends. Ultra-soft acrylic blend material: With Double layers materials, our wireless beanie is thicker than another music hat, Owns great stretch ability and breathability which is elastic and one size fits most. Incredibly warm and windproof enough for kids and adults. Easy to be charged: our wireless Hat with Hands-free LED light which is rechargeable and removable. You can remove the wireless cap to charge my laptop, power bank, socket, car charger, etc. With three adjustable brightness settings, youll have the perfect amount of light for any task. Great gifts for men women: Our wireless Beanie hat bulit-in true HD high fidelity sound speaker.It is a fashion/interesting/technology sense/sweet/lovely Christmas gift for people who loves indoor and outdoor sports such as jogging, running, walking, skiing, camping.