The heart rate monitor watch can tell if the user have to slow down of speed up his activity. As a result, the user can eliminate the risk of over-training or under-training which is very possible without a heart rate monitor watch. So, every effort the user would make would mean greater effectiveness on his part. It monitors the heart rate similar to a typical belt heart rate monitor and wrist heart rate monitor. The only difference is that, the treadmill heart rate monitor is attached on the treadmill and could not be carried around wherever you want. Many treadmills today has a built in heart rate monitor. The function conforms to the general use of a heart rate monitor. This gave her less stress, more vitality, and more energy. The Mio heart rate monitor is able to provide an accurate on-demand heart beat reading. 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. Today, heart rate monitor is more popular than ever. And its patrons are from people who want to be more precise in monitoring their heart rate for more efficient training, to people who simply want to enjoy the functions of the device. Here are 5 advantages of wristwatch heart rate monitor. 1. Accuracy. These two works hand-in-hand to provide the most accurate heart rate reading- far better that the manual method. The transmitter is usually strapped on the chest that calculates the current heart rate. It would then transmit the data to the receiver which is usually worn on the wrist. But sometimes, this type of heart rate monitor can give be very inconvenient to users since the strap may not fit on the chest. Other basic features include backlights, digital display, and water resistance among others. Now, heart rate monitors are backed with functions and technology. Some of it includes more complicated data recording. Top models would record the lowest and the highest heart rate as well as the average heart rate and everything in between.