PurePulse® Heart Rate
Get continuous, wrist-based heart rate tracking & simplified heart rate zones.
Track steps, distance, calories burned, active minutes, hourly activity & stationary time.
Reminders to Move
Get friendly Reminders to Move that encourage you to reach an hourly goal of 250 steps.
See call, text & calendar alerts on display when your phone is nearby.*
Auto Sleep Tracking & Silent Alarms
Automatically track your sleep quality & wake up peacefully with a silent alarm.
See your time in light, deep and REM stages to better understand your sleep quality.
Automatically recognizes select activities and records them in the exercise section of the Fitbit app.
Switch up your look with accessory bands in metal, leather & more.
Long Battery Life
Battery life up to 7 days so you can track all day & night without needing a charge.*
Tap to see your status, time & notifications on an OLED display, plus customize your clock face.
Sync stats wirelessly & automatically to computers and 200+ leading iOS, Android and Windows devices.
Sensors & Components
OLED tap display
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.
Battery type: Lithium-polymer
Charge time: One to two hours
Radio transceiver: Bluetooth 4.0
Saves 7 days of detailed motion data – minute by minute.
Saves daily totals for past 30 days
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.
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.
Operating temperature: 14° to 113° F
Maximum operating altitude: 30,000 feet
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+.
Syncing range: Up to 30 feet
Syncing requires Bluetooth LE and Internet connection. Windows 10 computers that do not have Bluetooth LE will need a wireless sync dongle in order to sync.
Syncs with Mac OS X 10.6 and up, iPhone 4S and later, iPad 3 gen. and later, Android 4.3 and later, and Windows 10 devices.