![The red light sensor on my Ionic suddenly turned on today—is Fitbit secretly measuring my SpO2 or other data? : r/fitbit The red light sensor on my Ionic suddenly turned on today—is Fitbit secretly measuring my SpO2 or other data? : r/fitbit](https://preview.redd.it/chvloxiyezl01.jpg?auto=webp&s=cd3ff2449fd73ac4f491ce741fe64fa6e69868f6)
The red light sensor on my Ionic suddenly turned on today—is Fitbit secretly measuring my SpO2 or other data? : r/fitbit
![Fitbit Charge 5 smart bracelet will have GPS, SpO2 sensor and ECG measurement capability | gagadget.com Fitbit Charge 5 smart bracelet will have GPS, SpO2 sensor and ECG measurement capability | gagadget.com](https://gagadget.com/media/post_big/Fitbit_Charge_5_specs.jpg)
Fitbit Charge 5 smart bracelet will have GPS, SpO2 sensor and ECG measurement capability | gagadget.com
![First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker](https://media.dcrainmaker.com/images/2018/08/Fitbit-Charge3-Optical-Sensors.jpg)
First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker
![First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker](https://media.dcrainmaker.com/images/2018/08/Fitbit-Charge3-Optical-Sensor-Swappable-bands.jpg)
First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker
![Overnight spO2 is Interesting but why is it not displayed in the app? So you can see changes over time... : r/fitbit Overnight spO2 is Interesting but why is it not displayed in the app? So you can see changes over time... : r/fitbit](https://i.redd.it/alqmpmjhjan51.jpg)
Overnight spO2 is Interesting but why is it not displayed in the app? So you can see changes over time... : r/fitbit
![First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker](https://media.dcrainmaker.com/images/2018/08/2018-08-17-15.43.12.png)
First Look: Fitbit Charge 3 Activity Tracker with SpO2 Sensor & Sleep Disturbance Tracking | DC Rainmaker
![Fitbit rolls out SpO2 blood oxygen monitoring feature: How it works, use cases and more | Technology News,The Indian Express Fitbit rolls out SpO2 blood oxygen monitoring feature: How it works, use cases and more | Technology News,The Indian Express](https://images.indianexpress.com/2020/01/Fitbit_759.jpg)