Garmin Vivoactive 4 vs Vivoactive 5: Which should you buy?
Snug fit, vastly different HR's. I've had multiple Garmin's and did comparisons with HR straps and optical sensors. Bottom line, no way my Oura ring is 98% accurate. Could someone reference me
4 tips for an accurate hart rate measurement with your Garmin watch - Coolblue - anything for a smile