Wrist monitors use optical sensors for continuous heart rate tracking, with some advanced models offering ECG features for deeper cardiac data. Perfect for casual users, these devices blend convenience with health awareness. While optical sensors are great for daily tracking, ECG readings add a new layer of accuracy when it matters most. They also often include fitness tracking like s... https://sunfox.in/blogs/a-guide-to-different-types-of-heart-rate-monitors/