If you're serious about your sport, you're serious about heart rate training. From functions, features and operational advice for your device to interpreting and applying the results, this is a step-by-step guide to optimizing performance.
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If you're serious about your sport, you're serious about heart rate training. From functions, features and operational advice for your device to interpreting and applying the results, this is a step-by-step guide to optimizing performance.
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