Light Button and USB Charging: Press the light button to change the light color. Easy charge with USB cable (Light button and charging port are hidden inside of the shoes).7 Colors 15 Models LED: Red-green-blue-yellow-sky blue-purple-whitesteady-whitetwinkle-auto-change mode-light off(Hold light button 3 seconds to turn off).Unique Design and Comfortable Sole: Double Wheels Roller Shoes/ Single Wheel Roller Shoe/ Hold the button behind shoes to shrink the rear wheel and remove the front wheel, become an LED Flat Sneaker. Put on the sneakers, do sports and leisure activities, enjoy entertainment and skill growth with kids.Perfect Flashing Gift: The best gift for kids for birthday, performances, Halloween, Thanksgiving and Christmas Day, and other celebrations. Better late than never.High Quality After Sales Service: Order now and you will enjoy 100% MONEY BACK GUARANTEE/EXCHANGE within 30 days. Any questions, please feel free to contact us via your order or ASIN---Ask a product question and contact us.