The cheap heart rate monitor is a new training device that can test you heart rate, step number, mileage, calories and the distance you take according to your weight and healthy. You can carry it with a rope or necklace hanging on your neck that looks like a necklace pendant and will not take up your hands with the latest counting tech. of 360° counting. Unlike other cheap heart rate monitors, this cheap heart rate monitor is an easy-to-use device that allows you to retrieve your heart rate when you need to, as well as use other stopwatch and training features and functions. This cheap heart rate monitor is great for professional practice or exercise for health and easy to notice with the large display screen, especially for the old.