Telstar Hypertension bracelet is used to relieve hypertension and hypotension. It works on the principle of acupuncture by stimulating certain nerve points with very low static electrical fields. It has a watch-like design with the case containing a special-made microelectronic conductor chip, and a special battery which generates a static field. A pair of bracelets are worn like a watches and are fastened at major acupuncture points on either wrist or ankle. Through clinical studies conducted in China, the device has been proven effective on over 75% of patients in relieving hypertension and hypotension caused by stress and other ailments. It may reduce or eliminate traditional medication used in the reduction of high blood pressure; however, in the case of hypertension caused by complications from diabetes or very high cholesterol, its efficacy has not been adequately documented. If it works for the sufferers who wear it, it generally balances blood pressure in 10 to 30 minutes. You can measure the blood pressure drop down in 10 minutes If the bracelet does not have an immediate positive result, it should be worn continuously for about 10 days before deciding that the device is not effective on your problem. Direction for use: 1. Peal off the sticker on the back of the case. 2. Wear one bracelet around either wrist with a second bracelet around the opposite ankle.