Wearable health devices are electronic gadgets that people can wear on their bodies to monitor various health metrics. Common examples include fitness trackers, smartwatches, and heart rate monitors. These devices often track activities like steps taken, calories burned, and sleep patterns, helping users maintain a healthier lifestyle. Many wearable health devices connect to smartphones or computers, allowing users to view their health data easily. Some advanced models can also monitor vital signs such as heart rate, blood pressure, and oxygen levels. This information can be useful for individuals looking to improve their fitness or manage chronic health conditions.