Despite the SpO2 / pulse ox being not for medical use, I'm still disappointed in its accuracy. The pulse oximeter on my 245 is consistently out by 7-15%. Pretty much useless, even
Forerunner 255 Series Owners Manual - Pulse Oximeter
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Forerunner 245's pulse ox inaccurate? 90% is not normal for someone who doesn't smoke and who's not out of breath. Plus most of the time they struggle to get a reading. What's
Garmin Forerunner 255 Music im Test: Tausche Touch gegen Fitness | nextpit
Garmin Forerunner 965 Test: GPS-Triathlonuhr mit AMOLED im Praxis-Check - fitnessmodern.de