One of the most important metrics on a Fitbit tracker is the Estimated Oxygen Variation—and now that every tracker is fitted with an SpO2 sensor, everyone can take advantage. Blood oxygen may be used ...

Why use a Checkme Ring, a device capable of continuous measurement, in conjunction with an Apple Watch? For sleep apnea syndrome, I want to see both the "entire sleep" and the "valleys of oxygen ...

Do you simply remember that SpO2 is safe if it is 95% or higher, and dangerous if it drops below 90%? In reality, applying this understanding to certain patients, such as those with COPD, can lead to ...

If you want to get healthy, a fitness tracker can help. At PCMag, we put them through rigorous testing to see which ones are ...

This work is not intended to be used in professional environments, and there are no guarantees on its functionalities. Please do not rely on it for medical purposes ...

Abstract: We investigate the impact of melanin concentration on the accuracy of oxygen saturation SpO2 estimation using reflective photoplethysmography (PPG) measurements. Monte Carlo (MC) simulations ...

Worldwide Medical Supply has announced the FingerbPulse Fingertip Pulse Oximeter, a portable device that measures blood oxygen saturation (SpO2) and pulse rate from the fingertip, offering a practical ...

Huawei’s blood sugar tracking timeline shows how its watches moved from blood pressure monitoring to diabetes risk alerts, ...

Sharp's first smartwatch goes beyond tracking calories burned. The Karada Mate Watch uses a bioelectrical impedance sensor to ...

Prime Day cuts the Fitbit Charge 6 to $85.45, bundling Google tools, GPS, health tracking, and both band sizes in the box.

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the top fitness trackers we've tested. I’m PCMag’s senior writer covering ...