【Bluetooth Function】V4.2 version available for most smart phone devices, wireless hat range up to 33 feet.
【Built-in Microphone】The microphone in the music unisex hat makes it possible to transmit the speaking phone to your audio devices directly, hands-free answering.It is nice gift for you.
【USB Charging】The bluetooth knitted hat is equipped with a rechargeable battery(Working Time:about 5 hours).The battery board has a charging protection for the battery and can work while charging.(The red light will be on when charging, be off when fully charged).
【Elastic Knitted Material】Made of thicken cotton and faux fur material, warm, soft and comfortable. Protects you from cold winter and will also allow you to listen to music and talk while doing variety of other activities.
【Detachable & Washable】Please remove the wireless device before wash the hat.The icon panel on the hat is not fixed to the buttons. If you find the icons do not match the control buttons,try manually adjust them.