Come and see our amazing products. This user-friendly Bluetooth beanie is made of acrylic, measuring 11 7/16" x 10 1/4". It offers great convenience for you to listen to music, video games and tech themes without worrying about the cold weather. It is equipped with the Bluetooth so you can link it to your cellphone directly. It is suitable for birthday gifts, business gifts, opening ceremonies, advertising and promotion, trade show and anniversaries. The color of this Bluetooth beanie can be customized. Also, there is an area for you to add logo. Pls confirm with us about the packing info, stock color and exact production time before placing your order.