Wearable devices are electronic gadgets that can be worn on the body, often as accessories or clothing. They typically track various health and fitness metrics, such as heart rate, steps taken, and sleep patterns. Common examples include smartwatches, fitness trackers, and smart glasses. These devices often connect to smartphones or computers to provide users with insights and data. Many wearable devices also offer additional features, such as notifications for calls and messages, GPS navigation, and music control. They are designed to enhance daily life by promoting health awareness and providing convenience. Popular brands include Apple, Fitbit, and Garmin.