ACEVER LED Flashing Sports Shoes Changing Rave Party Shoes Christmas Shoes Halloween Shoes Valentine's Day Gift Birthday Gift (US8.5 for Men) The shoes give fantastic LED light. The color of the light is controlled by a switch. Every time you press the switch, it gives a different color. Total 7 colors are available. It switches off when press the 8th time and on at the 9th time. Authentic shoes have ACEVER logo on the package and the shoes. Acever is the exclusive authentic seller for ACEVER shoes. The shoes from other sellers are not authentic ACEVER shoes. There is built-in battery inside of the shoe. The LED light can be recharged. By about 2-3 hour's recharging, the shoe light can keep on for about 8-10 hours. Shoes can be cleaned by soft fabric. But cannot be washed. It's safe to play. The light can be charged by mobile powers which you use for charging your mobile phones.