Long Working Time Wireless Headset: Is built with an easy access USB charging port, simply charge it via the included USD cable. It takes 1-2 hours to get fully charged and the battery offers the hat to work for up to eight hours. Bluetooth 5.0: Supports music and phone calls, and is easy and fast to pair with your devices, the maximum transition distance is up to 15m, also has a built in stereo speaker and mic. One Size Fits All: This beanie hat is made from an ultra-soft, excellently insulated, and stretchable acrylic material that has great elasticity providing maximum comfort. USB rechargeable LED: The hands free LED light is rechargeable and removable, you can charge it by laptop, power bank, socket, car charger etc. The five LED lights built in can also light up to 30 feet away. 3 Brightness Settings: There are three levels of brightness for you to choose, lowest level lasts up to eight hours, four hours in medium level, and two hours in highest level. Perfect for camping or any outdoor activity. Warm Hat: Get a outdoor Bluetooth 5.0 warm hat with a LED light and USB powered. Outdoor Bluetooth 5.0 Warm Hat With Led | Living Social