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
Forerunner® 255 Music
Pulse Ox Acclimation on Your Garmin Watch - YouTube
Garmin Forerunner® 245 | Running Watches
Garmin Forerunner 955 Solar Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass,
Pulse oximeter only tracks for a few hours during the night. - Forerunner 245 Series - Running/Multisport - Garmin Forums
Win Mobile World - Forerunner 245 ============ □ 7 Days Battery □ Garmin Coach □ Sport Apps □ Running Dynamics □ VO2 Max Measure □ Pulse OX □ Training Status/Effect □ Training