Arm band monitors strike a balance between comfort and precision, placing optical sensors on the upper arm. Some cutting-edge units now combine optical reading with ECG-like metrics for better accuracy during workouts. They’re less restrictive than chest straps and more reliable than wrist models for intense sessions. This makes them ideal for athletes who need accurate heart rate tra... https://sunfox.in/blogs/a-guide-to-different-types-of-heart-rate-monitors/