ZoneOptimizer

Ensures you always train at the right intensity.

This feature ensures that you always train at the right intensity. Knowing how hard to train can be a challenge. By using ZoneOptimizer, you can get the exact training effect you’re looking for as the feature adjusts your five heart rate training zones to perfectly match your body’s current physiological condition.



Polar Heart Rate Training: OwnZone & ZoneOptimizer



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