Wearable fitness devices enhance workout efficiency by tracking real-time metrics, such as heart rate, calories burned, and activity levels. These devices encourage users to set and monitor fitness goals, providing a personalized experience. The data collected can promote accountability, motivating individuals to stay consistent with their routines. Some devices provide reminders to move or breathe, contributing to a holistic approach to wellness. Overall, they enhance the effectiveness of workouts and foster healthier lifestyles.