![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
Pulse oximeter only tracks for a few hours during the night. - Forerunner 245 Series - Running/Multisport - Garmin Forums
![Garmin Forerunner 245 Music GPS Smartwatch 42mm Fiber-Reinforced Polymer Aqua 010-02120-22 - Best Buy Garmin Forerunner 245 Music GPS Smartwatch 42mm Fiber-Reinforced Polymer Aqua 010-02120-22 - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6348/6348791ld.jpg)
Garmin Forerunner 245 Music GPS Smartwatch 42mm Fiber-Reinforced Polymer Aqua 010-02120-22 - Best Buy
![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://preview.redd.it/d7n5yy3i6zz51.jpg?auto=webp&s=7599d5640ff2ff946a674916f605e13b18ae9650)