Natural Titanium Case with Light Blue Alpine Loop - Large. Advanced Health and Fitness Tracking CUSTOMIZABLE ACTION BUTTON—One quick press gives you precise, physical control over a variety of customizable functions—like starting a workout or turning on the flashlight. INVALUABLE HEALTH INSIGHTS—Get notified of an irregular heart rhythm, sleep apnea, or an unusually high or low heart rate. Track your sleep score and your daily health status with the Vitals app and take readings of your blood oxygen.
