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Compatible sensors

Enhance your training experience, and achieve a more complete understanding of your performance with Bluetooth® Smart sensors.

Polar H7 Heart rate Sensor Bluetooth® Smart

See live, accurate heart rate on your M400 during training. Your heart rate is information used to analyze how your session went.

Polar Stride Sensor Bluetooth® Smart

The Stride Sensor Bluetooth® Smart is for runners who want to improve their technique and performance. It allows you to see speed and distance information, whether you are running on a treadmill or on the muddiest trail.

  • Measures each stride you take to show running speed and distance
  • Helps improve your running technique by showing your running cadence and stride length
  • Small sensor fits firmly onto your shoelaces
  • Shock and water resistant, to handle even the most demanding runs

For more information, see Polar Stride sensor Bluetooth Smart.