Since it is strapless Mio heart rate monitor is more comfortable and easy to wear without the need to have a belt strap around the users chest. The Mio heart rate monitor also removes the probable risk of taking inaccurate reading since improper wearing of the belt can give user wrong heart rate reading. Accuracy: If you are using your fingers to know what is your current heart rate, you are probably having a difficult time determining your precise heart rate. With the heart rate monitor, you can determine your current heart rate more effectively plus the ease of eliminating the hassle of counting your heart rate with your fingers against time. This is the reason why expectant mothers would go to medical centers for regular checkup on the status of the baby inside the womb unmindful of the cost that would take to do it. 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. Higher end belt strap heart rate monitors can be computer compatible or contain high memory storage capacity that equates to larger room to save data for several days of training. Its main disadvantage on the other hand could be the inconvenience the strap provides on the user. Since most of this type is designed for male users, women who wish to have the strap belt heart rate monitor during training can have difficulty fitting the right size for them. And with the data a wristwatch heart rate monitor can give, you can now know the activity of your heart which would make you more conscious about how to train. With the wristwatch heart rate monitor, you can now know if you are training too hard and need to slow down or if you are training too weak and you need to pick up your pace. 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. This is far too different from manual reading since it would not require the reader to stop and check for his wrist or his neck to get a reading. Heart rate monitor watch would make it easy for anyone to do the reading by just checking in the watch.