Today, if you are about to be a mother, there is a better way to get in touch with your future baby right at the comfort of your home. All you need is the doppler fetal heart rate monitor. The doppler fetal heart rate monitor uses high frequency sound waves that lets you hear the sound of your baby s heart beat through an audible device sometimes an earphone or a speaker that is usually built-in on the heart rate monitor. The two-part heart rate monitor on the other hand is composed of the strap and the wrist unit. The belt strap reads the heart rate measurement and acts as a transmitter. The wrist unit serves as the receiver and displays the data sent by the transmitter. The belt strap heart rate monitor and the strapless heart rate monitor can be used during training. And no other exercise equipment could do that except a heart rate monitor. Another unique feature of a heart rate monitor that surpasses the ability of a private fitness instructor is its capability to count the number of calories burned during the whole exercise plus the capacity to estimate the percentage of the fat burned. But the fact still remains that it would not give you the right monitoring you would need to move one step further in reaching your goal, which could only be done if you would use one particular device: heart rate monitor. This makes Nike heart rate monitor comes into the picture. Nike heart rate monitor is a revolutionary device that would enable you to check the status of your heart every time you demand it. With the heart rate monitor watch, runners, athletes, and trainers would eliminate the need for manual reading. As a result, the heart rate monitoring would be more accurate. People using the heart rate monitor watch can also have an easy access on the status of their heart at any given time they wish to check it. Creating an improvement with the running routine, athletes, trainers, runners, and health conscious individuals should have the S120, S810i, S610i S410, S625X, RS 200, RS100, and RS200sd. While you busy yourself to keep on tract, these Polar heart rate monitors are busy to keep your heart monitored and track your distance and speed.