The s3+ stride sensor comes with a new, firm shoe attachment which guarantees accurate speed and distance measurement. This small and lightweight sensor measures each stride you take, helping you to analyze the effectiveness and efficiency of your run. Measures running speed/pace and distance. Helps improve running technique by providing your running cadence and stride length. Determines your Running Index, which tells you about your running performance. Shock and water resistant, handling even the most demanding runs.
Manufacturer : Polar Model: 91039283
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