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Garmin Companion App

The Companion App allows you to use your watch as a heart rate sensor while exercising on your mobile phone. It's important to note that, although your watch may have an SpO2 sensor, real-time data is not available.

Connection 

To connect the STAmina Companion App to STAmina Apnea Trainer on your phone, follow these steps:

Once you've completed these prerequisites, you can pair the watch by navigating to the settings menu in STAmina Apnea Trainer*, selecting "Connect Garmin Companion," and then tapping the "Connect" button.

The minimal version required is 6.5.0.