![Garmin Vivoactive 4 / 4S - GPS Multisportuhr - Fahrradcomputer / Pulsmessgeräte - Fahrradzubehör - SANVIT - BIKE and FITNESS, Eppan - Südtirol - Italien Garmin Vivoactive 4 / 4S - GPS Multisportuhr - Fahrradcomputer / Pulsmessgeräte - Fahrradzubehör - SANVIT - BIKE and FITNESS, Eppan - Südtirol - Italien](https://www.sanvit.com/cache/img-bike-computer-garmin-garmin-vivoactive-4s-smartwatch-white-rose-gold-1920x1920.jpg)
Garmin Vivoactive 4 / 4S - GPS Multisportuhr - Fahrradcomputer / Pulsmessgeräte - Fahrradzubehör - SANVIT - BIKE and FITNESS, Eppan - Südtirol - Italien
![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)
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
![Forerunner 245's pulse ox inaccurate? 90% is not normal for someone who doesn't smoke and who's not out of breath. Plus most of the time they struggle to get a reading. What's Forerunner 245's pulse ox inaccurate? 90% is not normal for someone who doesn't smoke and who's not out of breath. Plus most of the time they struggle to get a reading. What's](https://preview.redd.it/kvevczqia8z31.jpg?width=640&crop=smart&auto=webp&s=2b607ad05fe1a810adf6c1e8d619b69850898923)