System Settings Overview - Garmin Forerunner 245 Tutorial - YouTube
Questions and Answers: Garmin Forerunner 245 GPS Smartwatch 42mm Fiber-Reinforced Polymer Berry 010-02120-01 - 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