By measuring your heart rate all day and during workouts, you get a more accurate measure of your calorie burn.
Use heart rate zones to see how hard you’re working during exercise and dial your effort up or down.
See how working out more can impact your resting heart rate, a key indicator of cardiovascular health.
Track your all-day activity, and tap the OLED display to see how close you are to your daily goal.
Alta HR auto-detects workouts like running, elliptical, biking and more, and logs them to your dashboard.
A single charge gives you up to 7 days of battery life—so you can plug in less, and move more.2
Automatically track your sleep duration and consistency. Then wake up peacefully with a silent alarm.
Using heart rate, Alta HR shows your time in light, deep and REM sleep to help you understand your sleep quality.SEE BENEFITS OF SLEEP TOOLS
Receive call, text and calendar notifications on display, so you never miss the messages that matter.
Choose your clock display based on the stats you want to see and the design that suits your taste.
Get friendly on-screen messages that encourage you to reach mini-goals of 250 steps each hour.
With special editions, accessory bands and designer collections, you can wear Alta HR wherever life takes you.SHOP THE LOOKBOOK
The Fitbit app uses your data to help you set tailored goals for steps, exercise and more.EXPLORE THE FITBIT APP