Product Description: light button and USB charging: press the light button to change the light color. Easy charging with USB cable (light button and charging port are hidden in the shoe). Five types of LED: red green blue yellow sky blue purple white stable white flashing automatic mode change light off (press and hold the light button for 3 seconds to turn off). Unique design and comfortable sole: Double wheeled Shoes / single wheeled Shoes / press and hold the button behind the shoes to shrink the rear wheel and remove the front wheel to become LED flat sports shoes. Wear sports shoes, do sports and leisure activities, and enjoy entertainment and skill growth with children. Perfect twinkling gift: a great gift for children's birthdays, performances, Halloween, Thanksgiving, Christmas and other celebrations.