How Accurate Are Smartwatches for Health Tracking? A Real-Life Breakdown for Bangladeshi Users
Smartwatches promise to track our heart rate, sleep, steps and even blood oxygen—but how accurate are they in real life? In this Tech Den analysis, we compare smartwatch health data with traditional medical devices, explain where they shine, where they struggle, and how you should actually use these numbers for your daily health and fitness decisions.
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