【LATEST V5.0 BLUETOOTH TECHNOLOGY】Upgraded bluetooth beanie hat features in latest bluetooth V5.0 technology, available for most devices with bluetooth function. Simply sync to any bluetooth device in seconds, hands-free connectivity including decline/accept phone calls and listen to music wireless up to 33 feet (10 meters) while staying warm in winter.
【UNIVERSAL WIRELESS TECHNOLOGY】Hat with bluetooth headphones universal bluetooth v5.0 technology with forward/backward compatibility to connect to all other bluetooth enabled media player devices including tablets, iPhone, iPad, android, Samsung Galaxy, laptops, PC… etc.
【EXCELLENT BATTERY PERFORMANCE】Bluetooth beanie headphone built-in lithium ion battery with micro USB charging function allows for 6-8 hours of bluetooth talking/playing time and 21 hours standby time with only 2 hours charging time, so you have less time charging and more time enjoying your music and phone calls. (USB charging cable included)

WARM AND COMFORTABLE: this fleece beanie hat was made by polar fleece fabric protect from cold with ear covers and keeping it warm from 360 degree.
DURABLE: high quality sewing craft makes fleece lined beanie sturdy, stretchable fabric protect from wind, dust; machine washable.
100% Cation Fabric

SIZE: One size fits most. Fit M (22.05inch ~23.6inch) head circumference and combines plenty of stretch with a snug. Flat-size: length: 12 Inch, width:10 Inch.
MATERIAL: High quality material Acrylic & Polyester .Comfort, breathable and excellent elasticity will stretch to fit most head sizes.
Acrylic & Polyester (Very Soft and thin cool high quality premium Fabric material)

Warm Knitted Hat and Scarf With Comfy & Thick Fleece Lining.
Made of thicker and comfortable acrylic knit, comfortable and warm
knit

Widen brim, more protection on anti-UV.
Three folds, portable, could be folded and put in your jeans’ back pocket.
100% Polyester