have for those of you who are looking for a heart rate monitor, you probably would have a number of models that are not as small as the ones you see here fulfilled. In fact, it is so small in comparison, it fits easily in your pocket, you lose it in a moment, and if you are not careful enough. We talk about the ring in the heart rate, and as it is called a ring, why not slip on your finger for the convenience? After all, this is where it should be – as discreetly as a class ring and offers pulse without the need for a chest strap uncomfortable. The unit slides over your index finger in no time, an ECG-accurate measurement is shown on an LCD screen at the touch of a button. Of course, would be a further advantage of this device have it on a sound whenver your heart rate exceeds or falls below a predetermined target zone optimal beats per minute that you know when they can increase or decrease your pace. Powered by a single CR2032 battery, it is also capable of calculating calories burned, steps and distance traveled. This is a nice clock, and perhaps one of the best $ 49.95 you would have spent to date.