This manual is for fēnix^® 3 models compatible with heart rate monitors and for wrist-based heart rate models. You must have a heart rate monitor to use the features described in this section.

fēnix 3

This device is compatible with ANT‍+^® heart rate monitors.

fēnix 3 HR

This device has a wrist-based heart rate monitor and is also compatible with ANT‍+ heart rate monitors. You can view wrist-based heart rate data on the heart rate widget. If both wrist-based heart rate and ANT‍+ heart rate data are available, your device uses the ANT‍+ heart rate data.