Fitbit Alta HR Wireless Heart Rate and Fitness Tracker. When synced with the mobile app, this sleek, sporty tracker lets you track your heart rate, food intake, graph your progress and watch for important trends across time, helping you achieve your training, sleep and fitness goals. It also calculates distance, activity time, calories burned and steps taken throughout the day and features a low-profile display to indicate your real-time progress. The Alta HR wirelessly syncs your stats to your computer or smartphone, then measures hours and quality of sleep before silently waking you with a vibrating alarm in the morning. Automatic exercise recognition logs your workouts even if you forget and timely reminders help you meet your goals every hour of every day. The band display syncs with your smartphone to display caller ID and text messages. Style Name:Fitbit Alta Hr Wireless Heart Rate And Fitness Tracker. Style Number: 5358328. Available in stores.