Roland is a technology enthusiast who loves to tinker and geek out about the latest smartphones, tablets, smartwatches, and other wearables and gadgets. He aims to provide honest reviews and thoughts ...

ECG-enabled smartwatches can help monitor heart rhythm patterns, flag irregularities and add useful context to everyday ...

The time has come: the Oura Ring 4 has officially been upstaged by the hotly anticipated Oura Ring 5, and there are plenty of changes to the ring you should know about if you're deciding whether or ...

The Luna Band opened its waitlist on May 22, 2026, offering a voice-first, AI-powered screenless tracker at $149 with no subscription fees — just as the $99 Fitbit Air begins shipping. Built by the ...

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 ...

Normal blood oxygen saturation levels are 95% to 100%. Most people should have a blood oxygen level of at least 92%. If your blood oxygen level drops below 90%, it can be dangerous and requires ...

Quality sleep is often cited as key to improved physical recovery, mental well-being, and better illness outcomes. So, using a dedicated bedtime tracker to check on your rest has a genuine purpose.

I’ve tested dozens of fitness watches and these are the best options I’d recommend depending on lifestyle and health goals Kieran is a freelance journalist specialising in running, health and fitness ...

Tiffany Kinyua is a psychology major with a minor in biology and she is a 2025-26 health care ethics intern at the Markkula Center for Applied Ethics at Santa Clara University. Views are her own.

How does it actually work? No, there’s no tiny needle hidden under the casing. Instead, Huawei is utilizing Photoplethysmography (PPG) technology. That’s the same light-based sensor that checks your ...

Discover how the Evie Ring women's health tracker uses temperature monitoring, menstrual cycle tracking, and sleep analysis to provide AI-powered insights without subscription fees. Evie Ring - ...

If you exercise without tracking it, did you exercise at all? Don’t risk missing a session – strap one of the best sports watches or best running watches to your wrist and let it log every mile, rep ...