Light-up features for added fun in every step. The LED lights can be charged, send USB charging cable. Concealed wheels: There is a button on the back of the sole, when pressed, the rear wheel pops out of the slot. If you do not need roller skating, hold the button and push the wheel into the slot to close it lock. You can use it as a normal sneaker. Roll with confidence The laces provide a secure, comfortable fit, that keeps you sturdy as you roll in style Product specification: Name: Deformation Roller Shoes Upper material: PU+Microfiber With bottom style: thick bottom Sole material: EVA+rubber Inner material of shoe upper: Mesh Bearing capacity: 200kg Shoes weight: 2KG High heel: high heel (5CM) Function: Colorful light Applicable gender: femalemale Size: 33, 34, 35, 36, 37, 38, 39, 40, 41,42 Note: 1. If your size is between two sizes, it is recommended that you choose a larger size. 2.The shoes cannot be washed with water, you can clean the upper with a soft cloth to avoid damage to the LED lighting system. 3. For safety, beginners should be careful when skating and the children must be accompanied by an adult.