Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Windows operating systems supported
Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64
Make fitness fun, day and night.All-Day Activity Tracking
Track your steps, distance, calories burned, active minutes, hourly activity and stationary time.
SmartTrack
Automatically track activities like running, sports and aerobic workouts, then see exercise summaries in the Fitbit app.
Auto Sleep Tracking
Automatically track how long and how well you sleep, set a sleep goal and bedtime reminder to form good habits & wake up peacefully with a silent alarm.
Swim-Proof
Track swimming automatically & see your exercise summary in the Fitbit app. Plus, never worry about making a splash—from bubble baths to beach days.
Call & Text Notifications
When you get calls and texts, Flex 2 vibrates and the discreet LED display flashes color-coded lights, so you don’t miss the messages that matter.
Reminders to Move
To help you stay active throughout the day, Flex 2 sends Reminders to Move that encourage you to take 250 steps every hour.
Long Battery Life
With up to 5-day battery life* in an ultra-slim package, you can track all day and night without needing a charge.
You’ve never seen fitness like this.
Get a closer look at Flex 2 accessories and see how easily you can transform your tracker from day to night, or workout to wedding.