Description: Product categories: Sports Shoes Wearing style: magic sticker Colour: red, blue, black Upper material: mesh Sole Material: Rubber Size: 21 inner length 13.5cm, 22 inner length 14cm, 23 inner length 14.5cm, 24 inner length 15cm, 25 inner length 15.5cm, 32 inner length 19.8cm Applicable gender: neutral/male and female Package includes: 1 pair of Sports Shoes Note: Shoes are not USB interface, it is the batterys electric light. The degree of brightness changes according to the change of time. If there is a problem with light, such as different, a bright and a dark, colour imbalance and other problems, not to be treated as a quality problem. Mind you!