The BLACK DECK One-Size-Fits-All soft acrylic skin-friendly Unisex Bluetooth beanie keeps your head protected from cold and lets you enjoy your music or attend calls without the hustle of having to wear additional headphones. A perfect companion to keep you warm during hiking, trekking, cycling, walking, and running. Bluetooth 5.0 technology requires low operating power, enables fast connection, has stable signal transmission capability, and syncs to connect transmission distances up to 10m/33 feet. It is supported in Bluetooth-enabled devices like Android, iOS, Windows smartphones, tablets, PCs, and laptops. High sound quality to chat and listen, built-in stereo speakers, and an HD mic with noise canceling ensure to provide a clear sound experience. Built-in-high-capacity polymer lithium battery gives 12 hours of playback on charging for about 2.5 hours. The USB charging interface can be conveniently connected to the USB cable to charge the Bluetooth beanie. The availability of these beanies in pleasant colors makes it an amazing choice of gift for friends and family for Valentine's Day, Thanksgiving, Christmas, New Year, Anniversary, and Birthday. BLACK DECK never compromises on quality as we value utmost customer satisfaction, so you can trust us with the quality of our products. Hope you enjoy using our latest collections of beanies.