Modern car engine control systems rely on input from several sensors to regulate the engine’s performance as well as its emissions and other vital functions. When these sensors fail to provide ...

There’s a new wearable tech metric in town – and it’s all about blood oxygen. It might sound complicated and a little pointless, but pulse ox can reveal conditions like sleep apnea – and help athletes ...

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 can be ...

Google’s Pixel Watch is a smartwatch that houses a slew of health features powered by Fitbit. With that, the Pixel Watch has a lot of sensors packed into the 41mm frame, such as a heart rate, ECG, and ...

Apple's CEO says the company isn't interested in settling a patent case with Masimo and argues that people should still buy Apple's newest smartwatches even without the sensor. Our team tests, rates, ...