![Garmin Forerunner 255 Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer - Sleep Monitor, Alarm, Clock Display, Timer, Stopwatch, Phone, Text Messaging, Calendar, Garmin Forerunner 255 Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer - Sleep Monitor, Alarm, Clock Display, Timer, Stopwatch, Phone, Text Messaging, Calendar,](https://www.compsource.com/mscs_images/epics/large/1074088697.jpg)
Garmin Forerunner 255 Smart Watch - Heart Rate Monitor, Pulse Oximeter Sensor, Barometer, Altimeter, Digital Compass, Gyro Sensor, Accelerometer, Thermometer - Sleep Monitor, Alarm, Clock Display, Timer, Stopwatch, Phone, Text Messaging, Calendar,
![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?auto=webp&s=ead5ce3d9e0af21ebb30f468fd67c2c182af6aca)
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
![BUG 16.17 Alert to turn off pulse-oximeter causes crash - Forerunner 255 Series - Running/Multisport - Garmin Forums BUG 16.17 Alert to turn off pulse-oximeter causes crash - Forerunner 255 Series - Running/Multisport - Garmin Forums](https://forums.garmin.com/resized-image/__size/640x480/__key/communityserver-discussions-components-files/649/IMG20230923222944.jpg)
BUG 16.17 Alert to turn off pulse-oximeter causes crash - Forerunner 255 Series - Running/Multisport - Garmin Forums
Win Mobile World - Forerunner 245 ============ □ 7 Days Battery □ Garmin Coach □ Sport Apps □ Running Dynamics □ VO2 Max Measure □ Pulse OX □ Training Status/Effect □ Training
![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
![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)