Pulse oximeter only tracks for a few hours during the night. - Forerunner 245 Series - Running/Multisport - Garmin Forums
![Inaccurate SpO2 readings in continuous tracking mode after firmware 2.50 - vivosmart 4 - Health & Wellness - Garmin Forums Inaccurate SpO2 readings in continuous tracking mode after firmware 2.50 - vivosmart 4 - Health & Wellness - Garmin Forums](https://forums.garmin.com/cfs-file/__key/communityserver-discussions-components-files/112/1463566.png)
Inaccurate SpO2 readings in continuous tracking mode after firmware 2.50 - vivosmart 4 - Health & Wellness - Garmin Forums
![Pulse Ox chart is too small since version 4.20 - Garmin Connect Mobile Android - Mobile Apps & Web - Garmin Forums Pulse Ox chart is too small since version 4.20 - Garmin Connect Mobile Android - Mobile Apps & Web - Garmin Forums](https://forums.garmin.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/2/pulse-ox-4.20.jpg)
Pulse Ox chart is too small since version 4.20 - Garmin Connect Mobile Android - Mobile Apps & Web - Garmin Forums
![Inaccurate SpO2 readings in continuous tracking mode after firmware 2.50 - vivosmart 4 - Health & Wellness - Garmin Forums Inaccurate SpO2 readings in continuous tracking mode after firmware 2.50 - vivosmart 4 - Health & Wellness - Garmin Forums](https://forums.garmin.com/cfs-file/__key/communityserver-discussions-components-files/112/1463563.png)
Inaccurate SpO2 readings in continuous tracking mode after firmware 2.50 - vivosmart 4 - Health & Wellness - Garmin Forums
![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 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](https://preview.redd.it/kvevczqia8z31.jpg?width=640&crop=smart&auto=webp&s=2b607ad05fe1a810adf6c1e8d619b69850898923)
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 Ox Reading Drops to 0% Issue - Garmin Connect Mobile Android - Mobile Apps & Web - Garmin Forums Pulse Ox Reading Drops to 0% Issue - Garmin Connect Mobile Android - Mobile Apps & Web - Garmin Forums](https://forums.garmin.com/resized-image/__size/960x720/__key/communityserver-discussions-components-files/2/20200927_5F00_055833.jpg)
Pulse Ox Reading Drops to 0% Issue - Garmin Connect Mobile Android - Mobile Apps & Web - Garmin Forums
![Make the most out of your Garmin Vivosmart pulse oximeter (blood oxygen saturation) feature - MyHealthyApple Make the most out of your Garmin Vivosmart pulse oximeter (blood oxygen saturation) feature - MyHealthyApple](https://www.myhealthyapple.com/wp-content/uploads/Garmin-Vivosmart-Pulse-Oximeter-SPO2-oxygen-sensor-readings.jpg)