✪Multicolored Flashing Modes: Fast flash, Slow flash, Long bright - red,green,blue,purple,white,yellow, sky blue; 7 kinds of Static color, 10 kinds of Flashing modes, change it as you like. ✪Hidden USB Rechargeable: USB charging port and switch is hidden inside velcro.RED light means charging,1-3 hours charged makes 4-8 hours LED lights flash. Long press for 3 seconds to turn off. You can connect a USB cable from the computer, also use mobile phones and other chargers. ✪3 in 1 Removable Roller Skates: Can be used as Double wheel shoes, Single wheel shoes(remove the front wheel and add a cover) or Flat sneakers(hold the button behind shoes to shrink the rear wheel and remove the front wheel.) ✪Cool Design: Streamlined print upper, convenient velcro, elastic shoelaces, platform measures approximately 1.5". ✪Safe&Comfortable Material: Fashion led roller shoes for kids, made of smooth PU upper, waterproof TPR outsole, non-toxic synthetic. ✪Unique Gift: Birthday, Performances, Halloween, Thanksgiving, Christmas Day and other celebrations. Better late than never. ♥