Exclusive: The new Fitbit smartwatch has a sensor that actually checks your skin to see how stressed out you are. I started with CNET reviewing laptops in 2009. Now I explore wearable tech, VR/AR, ...

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 has released an update for its Versa and Ionic lines that lets you quickly check your blood oxygen saturation. The new Fitbit SpO2 Signature watch face shows your overnight SpO2 readings, which ...

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 ...

The Fitbit Sense sports an ECG, SpO2, stress, and skin temp sensors, plus a heart rate tracker. It launches alongside the $229.95 Versa 3 smartwatch and $99.95 Inspire 2 fitness tracker, which ...

Oxygen is absorbed by a protein in your blood called hemoglobin. When you breathe, your lungs load up blood cells with oxygen, then the pumping of your heart circulates the oxygen-rich blood through ...

Lexy was a producer and on-air presenter who covered consumer tech, including the latest smartphones, wearables and emerging trends like assistive robotics. She won two Gold Telly Awards for her video ...

In Fitbit’s family of wearables, you now have your pick of the Fitbit Versa 3 and the Fitbit Sense. The Versa 3 and the Fitbit Sense are now the last generations of Fitbit smartwatches, but while both ...