Run, bike, hike and more phone-free—and see your real-time pace & distance—with built-in GPS. Then check out your workout intensity map in the Fitbit app
Active Zone Minutes uses your resting heart rate to gauge exercise effort and gives you a buzz when you step up the intensity so you can make the most of your workouts
Better track heart rate 24/7 with PurePulse 2.0, Fitbit’s enhanced heart rate technology