For Using: 1: Please plug the cable to charging dock slowly. 2: Usually, the light will turn off automatically after the charging is completed. 3: The shoes take 1.5 hours to complete the charge (When using the phone USB charger), Do not charge for more than 2.5 hours(Even the light does not turn off automatically). 4: It is not recommended to wear this shoes to do active exercises, which may make damage to the light up system. 5: Do not wear LED shoes on wet road or a rainy day, it may make damage to the light up system. 6: Do not let kids pull out the cables from shoes, it will cause disconnection between battery and light up system. 7: In the package, there is products instructions, you can check the details of the shoes over there. 8: Your satisfaction is our greatest concern, please let us know if you have any questions, we will solve it to you at first time. Package include: 1 pair x shoes 1 x USB cable 1 x Operation Instructions