The pulse oximeter, a device that measures the degree to which red blood cells are saturated with oxygen, is one of healthcare’s most fundamental tools. So when Dr Noha Aboelata learned that ...

Purpose: The precision and accuracy of two blood glucose meters were evaluated using finger ... to obtain blood samples. Two of the most commonly used alternative-site glucose monitors are the ...

We take the super budget Xiaomi Mi Band 9 Active for a spin to discover how many sacrifices this cheap fitness tracker makes ...

The Oura Ring does more than track sleep—it monitors stress levels, suggests the best times to rest, and even keeps tabs on ...

Unsure if your cardio is working? Learn 8 key signs to determine if your cardio routine is truly effective for weight loss ...

CES is where companies lay out their roadmap for the year and Wi-Fi 7 is going to have a much bigger presence at this year’s ...

The Vantage M3 is the latest smartwatch from everyone’s favorite Finnish smart wearable brand, Polar (not to be confused with the U.S. streetwear brand by the same name). A mid-range GPS sports watch ...

The Oura Ring tracks your health and sleep, without a bulky watch on your wrist. Here’s what to know before buying one.

Doesn’t support Apple’s blood-oxygen ... most colors. What we like: Our top Bluetooth tracker pick for iPhone users. Also recommended in multiple Wirecutter gift guides. Impressively accurate ...

Many are IPX7-rated, meaning they can withstand being under a meter of water for 30 minutes. Depending on use, most GPS units have an easy-to ... a heart rate monitor, and a blood oxygen sensor. No ...

Our goal is to deliver the most accurate information and the most ... it's important to note that the Apple Watch still doesn't measure blood oxygen. Earlier this year, a US federal judge ruled ...