Bluetooth headphones provides more than 12 hours playback time and 60 hours standby time on a 2 hour recharge. The quality chip set and headphones deliver clear sound and lossless music. This soft comfortable Bluetooth Hat is built with dual wireless headphones which keep you warm and let you enjoy music in the winter without having to wear additional headphones. Bluetooth beanie with headphones are designed with advanced Bluetooth 5.0 technology which means better experience: twice the speed, 4 times the range, 2 times the stability, lower power usage, longer battery life. Bluetooth is made of super soft acrylic which is elastic, warm, and comfortable. After removing the built-in headphone pieces, the knitted Bluetooth beanie is washable! The cool idea makes it an popular Christmas gift.