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Sensors compatibility for your watch

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TomTom GPS watches use Bluetooth® Smart to connect to sensors. Bluetooth® Smart is a version of Bluetooth® which is designed for connecting small, simple sensors to smartphones and computers.

We have tested TomTom GPS watches with the following heart rate monitors:

  • TomTom Heart Rate Monitor
  • Wahoo Blue HR Heart Rate Strap
  • Polar H7 Heart Rate Sensor
  • Polar H6 Heart Rate Sensor
  • 4iiii Bluetooth® Smart HR monitor (ANT+ sensors are not picked up)
  • Mio Alpha
  • Mio Link

We have tested TomTom GPS watches with the following cadence sensors:

  • TomTom Speed and Cadence Sensor
  • Wahoo Blue SC Speed and Cadence Sensor

However, you should be able to use any Bluetooth® Smart heart rate monitor with your watch. You should be able to use any Bluetooth® Smart speed and cadence sensor with your watch.

If you can’t pair a sensor to your watch, try the following:

  • Make sure the sensor is not already paired to another device.
  • Check the website of your sensor’s manufacturer for updated firmware.

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