This hat with a fan is made of polyester cotton, breathable and comfortable. The strap on the back of the hat can be adjusted. The power button of the fan is located next to the charging port. Three-speed adjustable: The fan power button is located in the charging port. The fan can be adjusted at low speed or high speed, low speed can be used for 5 hours, and high speed can be used for 3 to 4 hours. Portable charging design: comes with USB cable, rechargeable design, you can use the charging bank to charge the fan at any time when there is no electricity. It's good both indoors and outdoors. Welcome to inquire.
