The type of technology used in wearable fitness trackers is typically composed of sensors and software that monitor and analyze physical activities, biometric data, and overall health metrics. These devices often include technologies such as accelerometers, heart rate monitors, and GPS, enabling the tracking of steps taken, calories burned, sleep patterns, and other health-related statistics. The data collected is usually synced to mobile applications for deeper insights and personalized recommendations. Wearable fitness trackers promote healthy lifestyles by encouraging regular physical activity and providing motivation.