Review on Black Jiandi 2-in-1 Smart Watch with Heart Rate Monitor, SPO2 Blood Oxygen Monitor Chest Strap, Fitness Tracker with Blood Pressure Wrist Band, HRV Health Sleep, Calorie Counter and Activity Tracker by Leslie Little

The watch has a large screen with large digital screens that show heart rate and are easy to read. So I can get rid of my glasses and openly enjoy my awakening. It shows date, time, heart rate, stopwatch and more. By pressing a button, time, heart rate, stopwatch, etc. you set it to mode. This mode will appear for hours before you press the button and switch to another mode.