Customer service
FREQUENTLY ASKED QUESTIONS

If you want to measure your heart rate while practicing a sport, you have to wear a rubber strap. To ensure the heart rate sensor's optimal performance, please make sure that your watch and strap are tightly fitted to your wrist.

We don't recommend wearing a steel bracelet as it may be difficult to tighten correctly.

If you want to use the sensors during your sports sessions, please follow the instructions in the following tutorial: