![Garmin patent revealed with aim of improving SpO2 monitoring in smartwatches - NotebookCheck.net News Garmin patent revealed with aim of improving SpO2 monitoring in smartwatches - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/2019010315245073_32546456.jpg)
Garmin patent revealed with aim of improving SpO2 monitoring in smartwatches - NotebookCheck.net News
Investigating the accuracy of blood oxygen saturation measurements in common consumer smartwatches | PLOS Digital Health
![Forerunner 245 Pulse Ox ridiculously inaccurate - Forerunner 245 Series - Running/Multisport - Garmin Forums Forerunner 245 Pulse Ox ridiculously inaccurate - Forerunner 245 Series - Running/Multisport - Garmin Forums](https://forums.garmin.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/399/20191117_5F00_145730.jpg)
Forerunner 245 Pulse Ox ridiculously inaccurate - Forerunner 245 Series - Running/Multisport - Garmin Forums
![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 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](https://i.redd.it/d7n5yy3i6zz51.jpg)