The Polar RS300X heart rate monitor watches have all the features you need to track and record your workout data. When you follow your heart, turn the training mode, which will display your heart rate more prominent on the face of the clock instead of the time and date. When you don't exercise, you can use the heart rate monitor as a normal watch.This clock and enclosed chest strap track calories burned, lap time, and beats per minute, and it stores all the information for you to research on your own time. Personalized heart rate zone also custom data by using your height, weight, age and other personal details.When you hit your target heart rate zone, the alarm to let you know you've achieved your goal. Wrist heart rate monitor can also monitor for the duration of your workout and how far you have to travel if you are running or cycling. This heart rate watches do not have GPS capabilities, but an upgrade of the watch to do if you want to track your location.
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