Garmin HRM Dual review // The best budget heart monitor? - YouTube
Garmin HRM-PRO Plus Review - Quick Look and Comparison HRM-PRO vs HRM-Dual vs HRM-Swim
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