Garmin HRM 3-SS will connect/pair with forerunner 35 but will not show heart rate (see picture) - Accessories & Sensors - Running/Multisport - Garmin Forums
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Garmin fēnix® 3 Sapphire Edition Multisport Training GPS Watch HRM-RUN™ Bundle [GARM010-01338-262] - €523.59 : Tackle4all.com, Fishing Tackle Shop
![GARMIN HRM-PRO HRM-DUAL HRM3-SS 245 745 945 fenix6X ANT+ Dual-mode Heart Rate Sensor Running, Swimming, Cycling Heart Rate Belt GARMIN HRM-PRO HRM-DUAL HRM3-SS 245 745 945 fenix6X ANT+ Dual-mode Heart Rate Sensor Running, Swimming, Cycling Heart Rate Belt](https://ae01.alicdn.com/kf/Sf8d0588fc2c348a192cd4bf5198c8c73s/GARMIN-HRM-PRO-HRM-DUAL-HRM3-SS-245-745-945-fenix6X-ANT-Dual-mode-Heart-Rate.jpg)