JCVital Blog

June 20, 2026

Looking for a non-watch fitness band for steps, heart rate, sleep, and ECG data? Here's how to choose one, plus the JCVital Pro V8 you fu...

June 14, 2026

HRV is one of the most trainable health metrics available. This guide explains exactly how — with strategies ranked by the strength of c...

June 12, 2026

Learn the differences between PPG and ECG technology in wearable devices. Discover how smart rings and fitness trackers use these sensor...

June 10, 2026

Learn how heart rate sensors work in smart rings and fitness trackers. Discover the science behind PPG, ECG, sleep tracking, HRV monitori...

June 08, 2026

Learn how PPG sensors work in smart rings and fitness trackers. Discover how photoplethysmography measures heart rate, sleep, HRV, blood ...

June 04, 2026

New to health wearables? This expert guide explains the 7 metrics that actually matter — HRV, RHR, ECG, SpO2, sleep stages, training load...

May 18, 2026

In this guide, we’ll compare ECG smart bands and fitness trackers in detail — including features, health monitoring capabilities, sleep t...

April 30, 2026

Buying your first smart band in 2026? This complete checklist covers 10 things every first-time buyer must check --- from ECG and battery...

April 28, 2026

This guide identifies the best alternatives to WHOOP for users who specifically want ECG heart monitoring --- comparing each option on E...

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