Investigating the accuracy of blood oxygen saturation measurements in common consumer smartwatches | PLOS Digital Health
![PULSE OX READINGS OF GARMIN FENIX 6X IS 5% UNDER REALITY - fēnix 6 Series - Wearables - Garmin Forums PULSE OX READINGS OF GARMIN FENIX 6X IS 5% UNDER REALITY - fēnix 6 Series - Wearables - Garmin Forums](https://forums.garmin.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/431/BEA806D9_2D00_1E60_2D00_4C32_2D00_B2D9_2D00_33A2BD98B38C.jpeg)
PULSE OX READINGS OF GARMIN FENIX 6X IS 5% UNDER REALITY - fēnix 6 Series - Wearables - Garmin Forums
![Amazon.com: Garmin 010-02157-00 Fenix 6X Pro, Premium Multisport GPS Watch, Features Mapping, Music, Grade-Adjusted Pace Guidance and Pulse Ox Sensors, Black : Electronics Amazon.com: Garmin 010-02157-00 Fenix 6X Pro, Premium Multisport GPS Watch, Features Mapping, Music, Grade-Adjusted Pace Guidance and Pulse Ox Sensors, Black : Electronics](https://m.media-amazon.com/images/I/71XrejvzHML._AC_UF894,1000_QL80_.jpg)
Amazon.com: Garmin 010-02157-00 Fenix 6X Pro, Premium Multisport GPS Watch, Features Mapping, Music, Grade-Adjusted Pace Guidance and Pulse Ox Sensors, Black : Electronics
![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)