The Reebok strapless heart rate monitor would only give the heart rate reading whenever requested. But even if the Reebok strapless heart rate monitor uses no transmitter, basic features and special features are still present. There are still the date and time display, the stopwatch or the countdown timer, alarm, calendar, calorie counter, fat counter, backlight, and more. Strapless Heart Rate Monitor and the Conventional Heart Rate Monitor There are two major types of heart rate monitors: the one that uses a strap and the strapless. Most of the manufactured heart rate monitors today are composed of two major parts: the chest strap and the wrist unit. The chest strap acts as the transmitter to which the heart rate is measured. Many treadmills today has a built in heart rate monitor. The function conforms to the general use of a heart rate monitor. It keeps you on tract with your heart rate while doing your exercise on the treadmill. It eliminates the need of checking your pulse manually which is often inaccurate and hard to do. Pacing during the competition: When you are on the race trying to beat all other contenders, you also have to know when to step on your gas or when to slow down. Without the heart rate monitor, this is not possible. Heart rate monitor will let you know if your pacing is right for your body. Runners are prevented from going too fast or going to slow with the help of the heart rate monitor. 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. Key to this precision is the use of FM technology. Understand that a typical heart rate monitor is composed of two parts: the receiver and the transmitter. The transmitter is the one that is worn of the chest. It is also called the chest strap. It transmits the heart rate reading to the receiver which gives the heart rate reading to the user.