Connect the charging cable. According to Yi Bei Zhi's data, massage shoes uses the attached charging cable. Connect the attached charging cable with the charging head of the mobile phone charger for charging. Note: Please insert and pull slowly when charging. There is a hidden switch on the inside of the shoe, and the sole light will always be on when charging until the charging is completed. Fully charging for one hour can keep the LED light on for 9- 10 hours. Don't wash with water, wash with colorless shoe polish or detergent.