Wearable Technology

5 articles

A modern fitness tracker on a wrist displaying an accurate heart rate reading, symbolizing the precision of wearable health technology.

How accurately do fitness trackers measure heart rate?

The Apple Watch Series 11 boasts an average heart rate error of less than 1%, delivering medical-grade precision from a consumer device, according to CNET .

Kai Kealoha·July 1, 2026

Comparison of the Fitbit Air and Fitbit Charge 6 fitness trackers, highlighting their design and features side-by-side.

Health & Fitness

Top 5 Fitbit Air vs Charge 6 Features: Price, and More

The new Fitbit Air, a clip-on sensor for passive health tracking, launches at $99.

Kai Kealoha·June 21, 2026

A smartwatch screen showing a heart rhythm graph, symbolizing the accuracy of wearable health data in a medical context.

Health & Fitness

Your Smartwatch Health Data Is More Accurate Than You Think, But Be Wary

Smartwatches can detect atrial fibrillation with over 94% sensitivity.

Kai Kealoha·June 10, 2026

Close-up of a fitness tracker on a wrist showing a heart rhythm graph, symbolizing advanced health monitoring capabilities.

Health & Fitness

What Do Fitness Tracker Metrics Really Mean for Your Health?

Wearable devices now detect atrial fibrillation with nearly 95% sensitivity, transforming personal health monitoring from a novelty into a critical diagnostic aid.

Kai Kealoha·June 6, 2026

A person wearing the small, screenless Fitbit Air on their wrist, showcasing its discreet design during an active moment.

Health & Fitness

Fitbit Air vs. Other Fitbits: Which Tracker Is Better?

The new Fitbit Air, a screenless wearable, packs 24/7 heart rate monitoring, A-fib alerts, and SpO2 tracking into a device 50% smaller than the Inspire 3, all for $100.

Kai Kealoha·May 20, 2026