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September 9, 2026

Published by rook19458 on September 9, 2026

When you’re hunting for a fitness tracker, you’re not just buying a gadget. You’re investing in a daily reminder that your body is alive and that you can measure progress in real time. The market is flooded with models that promise heart‑rate monitoring,

Accuracy of Heart‑Rate Sensors Three models—Garmin Venu 2, Apple Watch Series 9, and Fitbit Charge 6—have independently tested heart‑rate accuracy within ±3 bpm during steady‑state cardio. The Venu 2’s optical sensor is calibrated against ECG data, while the Apple Watch uses photoplethysmography...