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 inside the shoe).7 colors 15 models LED: red-green-blue-yellow-sky blue-violet-white steady-white flashing-auto switch mode - light off (press and hold light button for 3 seconds to turn off). Unique design and comfortable sole: single wheel roller shoes / Press and hold the button on the back of the shoe to contract the back wheel and remove the front wheel to become LED flat bottom sneakers. Put on the sneakers, do sports and leisure activities, and enjoy entertainment and skill growth with your kids. Perfect Glitter Gift: The perfect gift for kids' birthdays, shows, Halloween, Thanksgiving and Christmas and other celebrations. Better late than never.