Garmin HRM-Dual™ | Heart Rate Monitor with Chest Strap
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
Garmin HRM-Dual Review | PCMag
965 or HRM-Dual Heart Rate: Which is more accurate? : r/Garmin