Fitbit announced the Charge 4 this month last year as its most advanced fitness tracker with built-in GPS and SpO2. Data from the latter sensor was previously only accessible in the Fitbit app, but ...

Using Sparkfun MAX3010X library https://github.com/sparkfun/SparkFun_MAX3010x_Sensor_Library SpO2 is calulated from square root means of all raw data at 50Hz sampling ...

Fitness tech companies, particularly Fitbit and Garmin, want to monitor the level of oxygen in your blood. It’s a metric that could help spot signs of sleep apnea and other breathing-related problems, ...

Google's Pixel Watch had the ability to track blood oxygen saturation (SpO2) ever since it launched, but oddly the feature wasn't enabled yet. Some claim that Google was holding off because the ...

SpO2 data is hard to interpret Still requires daily charge with sleep tracking and always on display The Apple Watch Series 6 feels like it has perfected many of the features I liked about its ...

Abstract: The paper proposed optics non-invasive peripheral capillary oxygen saturation (SPO2) data which used ferroelectric RAM to calculate and record large SPO2 data. Traditional SPO2 device used ...