Pulse oximeter only tracks for a few hours during the night. - 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://www.compsource.com/mscs_images/epics/large/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,
![Make the most out of your Garmin Vivosmart pulse oximeter (blood oxygen saturation) feature - MyHealthyApple Make the most out of your Garmin Vivosmart pulse oximeter (blood oxygen saturation) feature - MyHealthyApple](https://www.myhealthyapple.com/wp-content/uploads/Garmin-Vivosmart-Pulse-Oximeter-SPO2-oxygen-sensor-readings.jpg)
Make the most out of your Garmin Vivosmart pulse oximeter (blood oxygen saturation) feature - MyHealthyApple
![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)