fashion magnetic jewelry units, bracelets, anklets, necklaces can be worn in shower or swimming pool, wear 27/7 for when taken off, therapy stops. Triple to super strength units. Go to website to read medical reports on magnetic therapy, good for: arthritis, headache, heart disease, diabetes, alzheimers, cancer,parkinsons,nerve injury, etc. Does it work? Never had in 15 years of business a unit returned because it did not work.