Blood Pressure Smart Watch and Heart Rate Monitor

Blood Pressure Smart Watch and Heart Rate Monitor Monitor and calculate your heart rate and blood pressure with this Blood Pressure Smart Watch and Heart Rate Monitor.  Heart attacks are the leading cause of death according to healthday.com so having a device that is able to inform you on your heart condition is very important.  This powerful Blood Pressure Smart Watch and Heart Rate Monitor does not only inform you about your heart rate, but also detects various health problems as well! How do Smart Wrist Watches measure the heart beat on the wrist? The heart rate monitor is based on a technology called photoplethysmography, but put simply this means illuminating your skin using green LED lights paired with light‑sensitive photodiodes which measures changes in light absorption. This lets the device detect the amount of blood flowing through your wrist at any given moment. Because blood is red, it reflects red light and absorbs green light. The sensor are designed to compensate for