LifeTrak Zoom HRV is a revolutionary fitness tracker that combines cutting-edge technology with advanced health monitoring features to provide you with a comprehensive view of your overall well-being. With its built-in optical heart rate monitor and advanced sensors, LifeTrak Zoom HRV accurately tracks your heart rate, HRV (heart rate variability), calories burned, steps taken, and sleep quality. The device also offers personalized fitness scores and recovery guidance, helping you optimize your workouts and improve your overall health.