1: When using this product, the flow time of oxygen inhalation should follow the doctor's instruction.
2: Oxygen tube (mask), nebulizer and humidifying cup should be cleaned, disinfected and sterilized when used repeatedly. In order to prevent cross- infection, do not use the same oxygen tube in two people, and regularly wipe and disinfect with alcohol.
3: When there are children or people with mobility difficulties, guardians should be present.
4: Do not move the device by pulling the power cord. If the power cord is damaged, stop using it immediately.
5: switch the machine in a short time, affecting the service life, starting time is not less than 30 minutes, five minutes after the shutdown can be started.