A wearable device is an electronic gadget that can be worn on the body, often equipped with sensors and connectivity features. These devices can monitor health metrics, track physical activity, and provide notifications. Examples include smartwatches, fitness trackers, and augmented reality glasses. Wearable devices interconnect with smartphones and other devices to enhance the user experience through data collection and real-time feedback. The growing interest in health and fitness has driven the development of these devices, making them popular tools for individuals aiming to improve their well-being and track their lifestyle habits.