How accurate are fitness trackers in monitoring heart rate ?
The accuracy of fitness trackers in monitoring heart rate can be affected by various factors, including device quality, skin type and color, movement, and environmental factors. To improve the accuracy of your fitness tracker's heart rate monitor, it is recommended to choose a reputable brand with advanced sensors and algorithms, wear your device correctly, calibrate your device, and use multiple sensors or a chest strap for better results. By following these tips, you can make more informed decisions about your health and fitness goals.