Functional Most Cardiosport heart rate monitors are packed with functional features needed for a total fitness and exercise companion. Features include stop watch between 10 to 100 hours (depending on the model), countdown timer, time control, heart rate training control, energy control, memory samples, lap time memory, EL screen light, ECG accurate heart rate, time in below and above target zone, interval timer, split time memory, changeable transmitter battery, time of day, calendar and alarm. Mio, from the Italian word which means mine was founded by Liz Dickinson in 1999. The foundation was prompted by the necessity to have a heart rate monitor that would give her the best result in maintaining her normal weight after giving birth. She realized that the best way to have her weight back was to be conscious about the food she eats and the level of exercise she would take. And if the strap would not fit properly, there is a great tendency for inaccurate reading. The next thing to consider is the display. You have to take into account the when you are training, either you are running, swimming, biking or on a treadmill, you are making great body movements. And when you do such activities, there is a need for a large display. Nike heart rate monitor is a revolutionary device that would enable you to check the status of your heart every time you demand it. In training, knowing your heart rate draws the line between efficiency and waste of time. Without the Nike heart rate monitor, you might fall short of your target fitness level. And with the years of experience and effort to create top caliber heart rate monitor, Polar has perfected in answering the needs of every heart rate monitor seeker. The complete line of Polar heart rate monitor today proves that the company is committed in giving every trainer, athlete, and fitness enthusiast the reason to keep on staying active. And when we speak of sports and fitness, there could be one important device to have: the Reebok heart rate monitor. Since heart rate is very important during training, Reebok heart rate monitor assures you that every time you set yourself on training, you could get the most accurate heart rate reading anytime you want to.