Fitbit announced the Charge 4 this month last year as its most advanced fitness tracker with built-in GPS and SpO2. Data from the latter sensor was previously only accessible in the Fitbit app, but ...

When Fitbit launched the Charge 4 fitness band, one of the features we found the most interesting was its ability to estimate users' blood oxygen saturation levels through its SpO2 monitor. Users ...

Fitbit started the year by becoming a part of Google’s hardware division and is today making a sizable update by rolling out blood glucose tracking to its Android and iOS app. The Fitbit Sense’s ECG ...

digiDoc Pulse Oximeter is an iPhone app that uses your camera to measure your heart rate and your oxygen level. Apps that measure your heart rate are a dime a dozen, but this is one that combines ...

Sarah Mitroff has worn many hats at CNET, including Senior Mobile Editor and Managing Editor of Health and Wellness. Currently, she is a freelance editor. Throughout her career, she's written about ...

Fitbit also launches Versa 3, adding GPS and a speaker; brings enhanced design and Active Zone Minutes (AZM) to Inspire 2 New Health Metrics dashboard for Premium lets users track heart rate ...