Low or high heart rate A heart rate under 50 BPM or over 120 BPM ,there will alert you take a notice or consultant with doctor. A heart...

You can take an electrocardiogram (ECG) with the ECG app What is an ECG An electrocardiogram (also called an ECG or EKG) is a test that...

You may wake your watch display by turning your wrist to let your watch facing up without pressing the Side Button. Then let your watch...