Fitbit Alta HR Fitness Band, Large, Black

PurePulse Heart Rate
Get continuous, wrist-based heart rate tracking & simplified heart rate zones.

Cardio Fitness Level
Get a better understanding of your fitness level and see how you can improve over time with a personalized Cardio Fitness Score.

Sleep Stages
See your time in light, deep and REM stages to better understand your sleep quality.

Long Battery Life
Battery life up to 7 days so you can track all day & night without needing a charge.
*Battery life and charge cycles vary with use, settings, and other factors; actual results will vary.

All-Day Activity
Track steps, distance, calories burned, active minutes, hourly activity & stationary time.

Smartphone Notifications
See call, text & calendar alerts on display when your phone is nearby.
*Smartphone notifications unavailable on Windows devices.

SmartTrack
Automatically recognizes select activities and records them in the exercise section of the Fitbit app.

Tap Display
Tap to see your stats, time & notifications on an OLED display, plus customize your clock face.

Reminders to Move
Get friendly Reminders to Move that encourage you to reach an hourly goal of 250 steps.

Auto Sleep Tracking & Silent Alarms
Automatically track your sleep quality & wake up peacefully with a silent alarm.

Interchangeable Accessories
Switch up your look with accessory bands in metal, leather & more.

Syncs Wirelessly
Sync stats wirelessly & automatically to computers and 200+ leading iOS, Android and Windows devices.