Come and see our amazing products. Elastic Knitted Material Made of thicken cotton and faux fur material, soft and comfortable. Elastic knitted material, warm, soft and stylish design. It will also allow you to listen to music and talk while doing a variety of other activities. Built-in Microphone The microphone in the unisex music hat makes it possible to transmit the speaking phone to your audio devices directly, hands-free answering. Detachable & Washable Wireless device can be taken off from the hat, and you can wash the hat. If you find the icons do not match the control buttons, please manually adjust them. USB Charging The music hat is equipped with a rechargeable 200mAh battery. Charged by USB, The battery board has to charge protection for the battery and can work while charging. Pls confirm with us about the packing info, stock color and exact production time before placing your order