Garmin HRM-DUAL Heart Rate Strap In-Depth Review | DC Rainmaker
Garmin Connect - How To Pair a Garmin Heart Monitor Chest Strap - GARMIN HRM RUN - YouTube
Garmin Hrm-pro 245 745 945 Fenix6x Bluetooth Ant+ Dual-mode Heart Rate Sensor Running, Swimming, Cycling Heart Rate Belt - Electric Bicycle Accessories - AliExpress
Garmin HRM 3-SS will connect/pair with forerunner 35 but will not show heart rate (see picture) - Accessories & Sensors - Running/Multisport - Garmin Forums