uruoi Unisex Fashion 8 Colors of Light Rechargeable Light Up Shoes LED Sneakers Green Rubber Rubber sole Sometimes the LED shoes will come with no light for out of power, charge it will be solved Please compare the chart size in the description with your feet length carefully before ordering! 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. Do not put the sneakers into water, you can use soft cloth to clean them. Choose the LED shoes which fulfilled by Amazon,you may get it within 2-3 days. It will be very fast