Everything you need to know about photoplethysmography (PPG), the technology behind heart rate measurements in fitness ...

Sensors for tracking pulse, blood oxygen saturation, minutes active, distance and more, come standard in nearly all modern wrist wearables. But for the most straightforward fitness monitoring ...

Feature-wise, it ticks most boxes, including the usual fitness and sleep-tracking skills, along with a pulse oximeter, stress tracker, and Garmin’s body battery energy monitor. The addition of ...

While most smartwatches include health tracking among a slew of smart features, fitness trackers are built for activity, offering specialized features, accurate metrics and durable, comfortable ...

You can pick up the Fitbit Charge 6 for just $120 at Amazon while this deal lasts. That's good for $40 in savings, and it's ...

As of March 24, you can get a Fitbit Inspire 3 for just $69.95 at Amazon. That's a 30% discount and $30 off the list price.

Because it uses your finger's pulse to track your heart rate rather than your wrist like most other fitness wearables, you end up getting much more direct and accurate metric tracking altogether ...

Fitness trackers like the Fitbit, Apple Watch, and Oura Ring promise to keep users accountable when it comes to staying ...

Which is the more accurate fitness tracking brand — Fitbit vs Amazfit? I pitted the Sense 2 vs Active 2 to find out. Which affordable smartwatch is the more accurate fitness and health tracker?

Fitness trackers seem to work like magic ... Other devices measure something called pulse wave time, which is essentially changes in your blood pressure over time – but it won’t tell you ...