Polar RS300X Heart Rate Monitor
You want to go for a run and know how speed and distance can aid your performance? Without heart rate, you can only get so far. The RS300X combines these three to give you a true understanding of the effort you put in. All the essential heart rate features come along with the RS300X, on the run and online.
- Measures your heart rate combined with speed and distance
- Helps you to train at the right intensity with personal training zones
- Displays how many calories you?ve burned
- Tracks your latest 16 training sessions and your last 16 weeks of training
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