HeHa Women Heart Rate Monitor Sleep Tracker Weight Loss Calorie Counter Fitness Watches with Sleep Monitor Alarm Clock Whether you're working out or lying in a hospital bed, continuous heart rate monitors provide a window into the health of your heart. With HeHa heart rate monitors-which instantly tell you how fast your heart is beatingcan help you exercise at the right intensity. HeHa heart rate monitor iphone compatible will offer a simply but direct way to let you know your heart health. The human heart has a natural pacemaker that keeps it beating steadily and in a safe zone. But it's not uncommon to be out of your regular zone-when you're working out, for instance, or if you have an abnormal heart rhythm, known as an arrhythmia, like atrial fibrillation. HeHa Bluetooth heart rate monitor will monitoring gadgets are making it easier than ever to monitor your heart rate in daily life. For people with an arrhythmia like afib or ventricular fibrillation, heart rates can be extremely variable. During an episode of fibrillation, the heart rate may go over the maximum, even at rest. HeHa strapless heart rate monitors watch can pick up an irregular heart rate, which previously went unrecognized. A multidimensional (restoration, biological age, stress and balance) Health Index is derived from accurate ECG signals, NASA HHT technology and the R&D by Taiwan National Central University HeHa sports tracker heart rate monitor provides 3-min Breathing Training to help lower high blood pressure and reduce mental stress. It has built in breathing guides that allows you to use your respiratory system to gain control over your cardiovascular system and nervous system and track the effects. It helps train your breathing so you focus on each breath. Start it at anytime or any where, just take a few minutes at office, stuck in traffic, on the train or before you start or end your day Fits wrist circumference 7.87 inches (200mm) or small. Items shipped from Amazon and can be returned within 30 days and HeHa offer lifetime warranty