2 ms·
> The iPhone will now calculate the ratio of absorbed red to infrared light, then apply calibration constants from experimental data to estimate blood oxygen sa
by Angostura 1y ago
> The iPhone will now calculate the ratio of absorbed red to infrared light, then apply calibration constants from experimental data to estimate blood oxygen saturation.
Sorry, maybe I missed it - but source for this?
- chedabob 1y agoIt's in the Apple PR https://www.apple.com/newsroom/2025/08/an-update-on-blood-oxygen-for-apple-watch-in-the-us/ https://www.apple.com/newsroom/2025/08/an-update-on-blood-ox... > sensor data from the Blood Oxygen app on Apple Watch will be measured and calculated on the paired iPhone
- clint 1y agoThe literal article that is the sole focus of this entire thread?