DescriptionThis is a fashionable, knitted hat made of premium material. This hat is a dress ornament for your outdoor sports or just a regular day. The classic design is easily matched to any outfit in your wardrobe. This knitted hat is a great choice for wearing in outdoors.Features- Color: Black.- Material: ABS+polyester. - Size: 22.00X19.00X1.00cm/ 8.65X7.47X0.39in. - LED battery: 300mA. - Bluetooths battery: 200mA. - Well made of premium material, supple, breathable, lightweight and comfortable to wear. - Creative and fashionable style makes the great as a nice present for your family, friends and lover. - It can match with most of your clothes to keep your warm and stylish at the same time.- Featuring high elasticity, it is suitable for most of the head circumference of male and female.- Luminous and music design is perfect for night riding, night running and all kinds of positions requiring safety warning.