With the new and sleek TomTom Multi-Sport Cardio featuring a built-in heart rate monitor, you can get the most out of every workout. Monitoring your heart rate is the best way to understand how your body responds to exercise.

Receive accurate information about your heart rate without the need to wear a separate chest strap. Your heart rate is measured using a sensor in the watch that detects changes in blood flow at your wrist. Light is transmitted through the skin to identify variations in light reflections.

Select a zone for your individual training goal. This way, you'll always know whether you need to push harder or ease off.