Understanding Pulse Ox | You've heard of Pulse Ox, but what exactly does it do? Pulse oximeter sensors in Garmin watches measure SpO2, the % of oxygenated blood in your... | By
![Amazon.com: Garmin Fenix 6S Sapphire, Premium Multisport GPS Watch, Smaller-Sized, features Mapping, Music, Grade-Adjusted Pace Guidance and Pulse Ox Sensors, Rose Gold with Gray Band (Renewed) : Electronics Amazon.com: Garmin Fenix 6S Sapphire, Premium Multisport GPS Watch, Smaller-Sized, features Mapping, Music, Grade-Adjusted Pace Guidance and Pulse Ox Sensors, Rose Gold with Gray Band (Renewed) : Electronics](https://m.media-amazon.com/images/I/71r-enXnh4L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Garmin Fenix 6S Sapphire, Premium Multisport GPS Watch, Smaller-Sized, features Mapping, Music, Grade-Adjusted Pace Guidance and Pulse Ox Sensors, Rose Gold with Gray Band (Renewed) : Electronics
![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)