Garmin HRM Run, Dual, Swim, Tri and Pro Compared - OneManEngine
Garmin HRM-DUAL Specifications + Opinion
Why does HRM-Dual consistently shows *very* high HR (170+) during first 6-8 min of warmup during runs? Is this a fit issue? Don't feel like I've maxed out my HR; not gasping
Best Heart Rate Monitors: Best HRM chest straps and arm straps tested and rated - YouTube
Garmin HRM-Dual™ | Heart Rate Monitor with Chest Strap
Garmin HRM-DUAL Heart Rate Strap In-Depth Review | DC Rainmaker