Oxygen Saturation (Sp02)
See your average nightly Sp02 level at a glance with an Sp02 clock face. and view your trends over the past week in the Fitbit app.
Fast Charging Spend less time charging, more time moving when you get a full days’ worth of battery In Just 12 minutes.
6+ Day Battery Life Get a week of battery life without stopping to charge, along with fast charging—fuel for a full day in Just 12 minutes.
Use Google Assistant or Amazon Alexa Built-in to ask your Fitbit smartwatch questions. set alarms. check the weather and more.
20+ Goal-Based Exercises
Choose from 20• activity modes to get reel-time stets during workouts or let SmartTrack. automatically recognize and record them for you.
Essential Apps Download hundreds of apps for fitness. fun and more—everything from Uber and United Airlines to Sportify and TRX'.
Menstrual Health Tracking Log periods. record symptoms. track ovulation and discover patterns in your cycle using the app.
Fitbit App See all your slats, track progress. enter challenges and interact with a global fitness community.
Reminders to Move Get notifications that remind you to take at least 250 steps per hour during the day.
Find moments of calm in your day with 2- and 5-minute guided breathing sessions that are personalized based on your heart rate.
Tap to pay at any retail store or transit station that accepts contactless payments—no phone or wallet necessary.
Sensors & Components
Built-in GPS + GLONASS
Red and infrared sensors for oxygen saturation (SpO2) monitoring
Wi-Fi (802.11b/g/n 2.4GHz)
Ambient light sensor
Optical heart rate sensor
Device temperature sensor (skin temperature variation available in the Fitbit app)
Battery & Power
Battery life up to 6+ days. Battery life and charge cycles vary with use, settings, and other factors; actual results will vary. Use of the always-on display and SpO2 features will require more frequent charging. We recommend charging every few days to ensure you’re always tracking.
Battery type: Lithium-polymer
Charge time: (10-80%): Approximately 40 minutes
Fast charging: 1 day of battery life in 12 minutes
Radio transceiver: Bluetooth®
Saves 7 days of detailed motion data – minute by minute
Saves daily totals for past 30 days
Stores heart rate data at 1-second intervals during exercise tracking and at 5-second intervals all other times
Water resistant to 50 meters. After swimming or getting the band wet, we recommend drying the band because, as with any wearable device, it's best for your skin if the band is clean and dry. We do not recommend wearing Fitbit Versa 3 in a hot tub or sauna. Learn more.
Care Give your wrist a rest by taking the band off every now and then. If the band gets wet or you sweat in it, remove and completely dry the band before putting it back on. Learn more.
Materials Versa 3 includes a band made of a flexible material similar to that used in many sports watches, as well as an aluminum watch case.
Heart Rate Like all heart rate tracking technologies, accuracy is affected by physiology, location of device and different movements.
Operating temperature: -4° to 140° F
Maximum operating altitude: 28,000 ft
The Fitbit app is compatible with most popular phones and tablets. To set up and use your Fitbit products and services, you must install the Fitbit app on a compatible device running one of the following operating systems:
Apple iOS 12.2 or higher.
Android OS 7.0 or higher. See additional tips for Android phones and tablets here.
Syncing range: Up to 30ft
Certain features like smartphone notifications may require Android 7.0+. Check your device compatibility.
Syncing requires Bluetooth LE and Internet connection.
Syncs with Mac OS X 12.2 and up, iPhone 5S and later, iPad 5 gen. and later, Android 7.0 and later. Music control via Bluetooth® Classic on Android and Bluetooth® LE on iOS devices.
Print this guide to find the right size for you. Both small and large sizes included in box.
Fits wrist 5.5" - 7.1" in circumference
Fits wrist 7.1" - 8.7" in circumference