Heart rate is a powerful tool that can help you reach your goals faster. PurePulse tracks it continuously on your wrist, without a chest strap.SEE BENEFITS OF PUREPULSE
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.
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.
Fits wrists 5.5” - 6.7” in circumference
Fits wrists 6.7” - 8.1” in circumference
Print this guide to find the right size for you, and size up if you’re in between sizes.
SENSORS & COMPONENTS
BATTERY AND POWER
We recommend charging Alta HR every few days to ensure you are always tracking.
Battery life up to 7 days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.
Alta HR is rain, sweat and splash proof, but not shower or swim proof. If your tracker gets wet or if you sweat in it, remove and completely dry the band before putting it back on. Give your wrist a rest by taking the band off every now and then, and regularly clean your band and wrist. Learn more.
The Fitbit Alta HR wristband is made of a flexible, durable elastomer material similar to that used in many sports watches. The tracker is made with surgical-grade stainless steel, and the buckle is made with aluminum. The Alta HR gunmetal tracker is made with premium PVD plating, and the rose gold tracker is plated with 22k rose gold.
SYNCING & NOTIFICATIONS
Using Bluetooth LE wireless technology, Fitbit Alta HR sends smartphone notifications and syncs automatically to computers and 200+ mobile devices. Smartphone notifications may require Android 5.0+. Look up your device to check compatibility.