Please order size according to below size chart and your feet measurement.

Women Size

5 is for feet length 8.86 inches/22.5CM

5.5 is for feet length 9.05 inches/23CM

6.5 is for feet length 9.25 inches/23.5CM

7 is for feet length 9.45 inches/24CM

8 is for feet length 9.65 inches/24.5CM

8.5 women is for feet length 10 inches/25.5CM

Men Size

7 men is for feet length 10 inches/25.5CM

8 is for feet length 10.24 inches/26CM

8.5 is for feet length 10.43 inches/26.5CM

9.5 is for feet length 10.83 inches/27.5CM

10 is for feet length 11.02 inches/28CM

11 is for feet length 11.4 inches/29CM

12 is for feet length 11.6 inches/29.5CM

• Size instruction: Shoes are true to size. You can follow size chart in below detail description or contact us for suggestion if there is any problem.
• Operation instruction: Hidden switch button comes beside the USB charging port. Press the switch to light up the shoes. Long press the switch for seconds to turn off the light.
• Light Mode: 1.Red(steady) -2.Blue(steady) -3.Green(steady) -4.Purple(steady) -5.Skyblue (steady) -6.Yellow(steady) -7.White(steady) -8.White(Quick Flashing) -9.Auto-change mode in 7 colors
• Charge instruction: Easy charge with USB charging cable like cellphone to computer or power bank for over 3 hours when power is off.
• Package include 1 pair of shoes, 1 charging cable

Size instruction: Shoes are true to size. You can follow size chart in below detail description or contact us for suggestion if there is any problem.