Fitbit Alta HR Wireless Activity Tracker

Get the power of continuous heart rate tracking to better measure calorie burn and use zones to find the right workout intensity for your goals
See your real-time heart rate at a glance and follow your trends over time in the Fitbit app
Discover how working out more can improve your health by comparing your resting heart rate trends to your activity
Automatically track your steps, distance, calories burned and active minutes with reminders to move that encourage you to reach an hourly goal of 250 steps
Sleep stages powered by PurePulse heart rate automatically tracks your time spent in light, deep and REM sleep
Stay connected with call, text and calendar notifications on display
Effortlessly and automatically record select workouts with SmartTrack auto exercise recognition
Bright OLED display makes it easy to view your stats
Water-resistant design