1. Individuals undergoing medical treatment by a doctor and those listed must consult a medical professional before using this product: women in the early stage of pregnancy or who have just given birth and individuals with tumor, heart problems, diabetes, skin infection, fever, acute pain caused by sprains or pulled muscles.
2. Do not use together with other medical devices.
3. Do not place this product close to items that are affected by magnetism, such as watches, clocks, magnetic cards, and floppy disks.
4. Stop using this product immediately if you feel any strange bodily sensations or notice any rashes, reddening or itchiness around the site of use.