This is a good product that hypertension patients have been waiting for for a long time. It can not only lower blood pressure, but also tell the time. It is beautiful, generous and durable. The "Gold Medal" antihypertensive device is a quasi-brand medical device approved by the US Food and Drug Administration. Registration number: Su Jianxie (Zhun) Zi 2009 No.2260453 Scope of application: treatment of stage I hypertension and adjuvant treatment of stage II hypertension.