éThis shoes also have led lights,but can not be charged or replace the batteries. Use the following size chart, select the appropriate size. Size details: 11 M US Little Kid for foot length 7.28"/18.5cm/EU27 11.5 M US Little Kid for foot length 7.48"/19cm/EU28 12 M US Little Kid for foot length 7.68"/19.5cm/EU29 12.5 M US Little Kid for foot length 7.87"/20.00cm/EU30 13 M US Little Kid for foot length 8.07"/20.50cm/EU31 1 M US Little Kid for foot length 8.27"/21.00cm/EU32 1.5 M US Little Kid for foot length 8.46"/21.50cm/EU33 3 M US Little Kid for foot length 8.66"/22.00cm/EU34 3.5 M US Big Kid for foot length 8.86"/22.50cm/EU35 4 M US Big Kid for foot length 9.06"/23.00cm/EU36 4.5 M US Big Kid for foot length 9.25"/23.50cm/EU37 5.5 M US Big Kid for foot length 9.45"/24.00cm/EU38 6 M US Big Kid for foot length 9.65"/24.50cm/EU39 6.5 M US Big Kid for foot length 9.84"/25.00cm/EU40 7 M US Big Kid for foot length 10.04"/25.50cm/EU41 7.5 M US Big Kid for foot length 10.24"/26.00cm/EU42 8 M US Big Kid for foot length 10.43"/26.5.00cm/EU42 8.5 M US Big Kid for foot length 10.63"/27.00cm/EU43 Package included: 1x LED shoes Note: The LED shoes are special sneakers, they have the led light bars in the shoes sole, so please do not use them as running shoes. The Led lights in the shoes are not waterproof, please do not soak the shoes in water when you clean them. If your shoes have any problem please feel free to contact us.We will reply you within 12 hours.é