Wearable devices, such as smartwatches and fitness bands, continuously track vital health metrics, including heart rate, blood oxygen levels, sleep patterns, and physical activity. These devices provide users with real-time feedback on their health and fitness, enabling them to make informed lifestyle choices. Wearables also help detect irregularities, such as arrhythmias or sudden drops in oxygen saturation, which can prompt timely medical consultation. Some devices integrate with healthcare apps and share data with doctors, enhancing preventive care. By promoting self-awareness and early intervention, wearable technology empowers individuals to take an active role in maintaining their overall health.