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
Pulse oximeter only tracks for a few hours during the night. - Forerunner 245 Series - Running/Multisport - Garmin Forums
Garmin Brunei - Garmin Forerunner 245 music will estimates your body's blood oxygen saturation which can help gauge how your body is absorbing oxygen and track your body's energy levels to find