Support: Using a Garmin Heart Rate Monitor - YouTube
PSA: Look at the heart rate sensor of your fenix 5. Has it cracks like mine? If yes, it's a common problem. Send it to Garmin and get a free replacement. Do
Garmin Adds Bluetooth Heart Rate & Running Data Broadcasting for FR245/FR945 | DC Rainmaker
Quick Tips: Broadcast Garmin Optical HR to Apps Like Zwift // ANT & Bluetooth - YouTube
Support: Pairing an ANT+ Sensor with a Garmin Wearable - YouTube
Garmin Fenix Optical Heart Rate Test | muppix.net
Amazon.com: Garmin fenix 5X Plus, Ultimate Multisport GPS Smartwatch, Features Color Topo Maps and Pulse Ox, Heart Rate Monitoring, Music and Contactless Payment, Gray with Titanium Band : Electronics