BLUEHRESY Bluetooth Beanie Hat, Upgraded V4.2 Winter Music Hat Knit Cap with Mic Hands Free for Men Women (Black) Extremely Warm, Soft and WindproofWinter Bluetooth Beanie is made of soft knitted,protects you from the cold air.Double lining and folded cuff covers your ears comfortably,keep your head warm Bluetooth V4.2 & High Fidelity Sound New Bluetooth beanie features in latest Bluetooth V4.2 technology,enhanced music listening experience and communications.Pairing with any Bluetooth enabled music devices,wireless range up to 33 feet.Perfect for gym,fitness,workout,exercise,outdoor sports Unisex & Removable & Washable Black winter hat is full removable and washable, unisex, stretchable, one size fits all sizes and shapes. higher quality knit material to stay warm ,A must have stocking stuffer Christmas gifts for anyone at any age in this winter Extended Battery LifeUpgraded Bluetooth hat with built in 180mAh Rechargeable Li-Ion battery can play music up to 6-8 hours and and 60 hours stand-by time with a quick charge of 1-2 hours(Usb line included) Relible Warranty ProvidedFree Lifetime Technical Support, 12-months Worry-free Warranty, Carefree Service and Amazon 30-days Money Back Guaranteed. If you have any problem, please email us, we wil do our best help you