![Garmin Forerunner 245 GPS Watch - Wrist - Heart Rate Monitor, Pulse Oximeter Sensor, Accelerometer, Digital Compass - Push Notification, Email, Text Messaging, Calendar, Alarm, Clock Display, Timer, Stopwatch, Phone, Sleep Monitor - Garmin Forerunner 245 GPS Watch - Wrist - Heart Rate Monitor, Pulse Oximeter Sensor, Accelerometer, Digital Compass - Push Notification, Email, Text Messaging, Calendar, Alarm, Clock Display, Timer, Stopwatch, Phone, Sleep Monitor -](https://www.compsource.com/mscs_images/epics/large/1059552354.jpg)
Garmin Forerunner 245 GPS Watch - Wrist - Heart Rate Monitor, Pulse Oximeter Sensor, Accelerometer, Digital Compass - Push Notification, Email, Text Messaging, Calendar, Alarm, Clock Display, Timer, Stopwatch, Phone, Sleep Monitor -
![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
![Garmin Forerunner 245 GPS Watch - Wrist - Heart Rate Monitor, Pulse Oximeter Sensor, Accelerometer, Digital Compass - Music Player, Push Notification, Email, Text Messaging, Calendar, Alarm, Clock Display, Timer, Stopwatch, Phone, Garmin Forerunner 245 GPS Watch - Wrist - Heart Rate Monitor, Pulse Oximeter Sensor, Accelerometer, Digital Compass - Music Player, Push Notification, Email, Text Messaging, Calendar, Alarm, Clock Display, Timer, Stopwatch, Phone,](https://content.etilize.com/1300/1059552438.jpg)
Garmin Forerunner 245 GPS Watch - Wrist - Heart Rate Monitor, Pulse Oximeter Sensor, Accelerometer, Digital Compass - Music Player, Push Notification, Email, Text Messaging, Calendar, Alarm, Clock Display, Timer, Stopwatch, Phone,
![Sports Watch with gps Garmin Forerunner 245 gray color screen 3.04cm heart rate sensor pulse oximeter 5atm|Smart Watches| - AliExpress Sports Watch with gps Garmin Forerunner 245 gray color screen 3.04cm heart rate sensor pulse oximeter 5atm|Smart Watches| - AliExpress](https://ae01.alicdn.com/kf/Ufc99a9618dae450592262bd4935610ceT/Sports-Watch-with-gps-Garmin-Forerunner-245-gray-color-screen-3-04cm-heart-rate-sensor-pulse.jpg_Q90.jpg_.webp)
Sports Watch with gps Garmin Forerunner 245 gray color screen 3.04cm heart rate sensor pulse oximeter 5atm|Smart Watches| - AliExpress
![Garmin Forerunner 245 Fitness Tracker with Step Counter, Heart Rate Monitor and Gps Enabled in the Fitness Trackers department at Lowes.com Garmin Forerunner 245 Fitness Tracker with Step Counter, Heart Rate Monitor and Gps Enabled in the Fitness Trackers department at Lowes.com](https://mobileimages.lowes.com/productimages/4ac37898-9960-47cc-830e-e3275b43b499/42581692.jpg?size=pdhism)
Garmin Forerunner 245 Fitness Tracker with Step Counter, Heart Rate Monitor and Gps Enabled in the Fitness Trackers department at Lowes.com
![Sensors | Free Full-Text | Validity of Peripheral Oxygen Saturation Measurements with the Garmin Fēnix® 5X Plus Wearable Device at 4559 m Sensors | Free Full-Text | Validity of Peripheral Oxygen Saturation Measurements with the Garmin Fēnix® 5X Plus Wearable Device at 4559 m](https://www.mdpi.com/sensors/sensors-21-06363/article_deploy/html/images/sensors-21-06363-g001.png)
Sensors | Free Full-Text | Validity of Peripheral Oxygen Saturation Measurements with the Garmin Fēnix® 5X Plus Wearable Device at 4559 m
![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)