1. There is no need to charge the device for 12 hours, only when fully charged for the first use. It takes about five hours to be charged fully;
2. It is recommended to use official accessories to avoid using other accessories that will have an impact on all aspects of the product;
3. The cleaning brush can be used as an auxiliary tool to assist in cleaning the device during the overall cleaning process;
4. Please use tap water for cleaning. Some detergents and disinfectants can affect the sealing performance of the soft adhesive, so please do not use them.