![Are pulse oximeters on fitness trackers reliable? The best wearables for measuring blood oxygen saturation | Expert Reviews Are pulse oximeters on fitness trackers reliable? The best wearables for measuring blood oxygen saturation | Expert Reviews](https://cdn1.expertreviews.co.uk/sites/expertreviews/files/styles/er_main_wide/public/2019/09/garmin_fenix_6_pro_review_13.jpg?itok=noIRpXSz)
Are pulse oximeters on fitness trackers reliable? The best wearables for measuring blood oxygen saturation | Expert Reviews
![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)
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
![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)