Polar Stride Sensor Bluetooth® Smart

  • Compatible with dozens of leading fitness apps, including Polar Beat
  • Measures each stride you take to show your running speed and distance
  • Helps improve your running technique by showing your running cadence and stride length
  • Shows how your running performance changes with Polar's unique Running Index feature
  • Fits firmly on your shoelaces thanks to its compact size
  • Shock and water-resistant to handle even the most demanding runs
  • Compatible with iPhone 4S and later

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