"Fitness Tracker" is a wearable electronic device that monitors physical activity, heart rate, and sleep throughout the day. With smartphone syncing and app integration, you can set goals, review patterns, and celebrate milestones while staying connected to your progress. Many models track calories burned, distance covered, and even stress levels. Water-resistant and lightweight, it suits both intense workouts and everyday movement. More than a step counter, it’s a personalized wellness assistant that makes every movement count.