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

All-Day Activity
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.

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.

Smartphone Notifications
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.

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

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

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

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

Specifications:
- Optical Heart Rate Tracker
- 3-axis accelerometer
- Vibration motor
- OLED tap display
- Battery type: Lithium-polymer
- Charge time: 1-2 hours
- Bluetooth 4.0
- Saves 7 days of detailed motion data – minute by minute.
- Saves daily totals for past 30 days

Sizing:
Large: Fits wrists 14 cm - 17 cm in circumference
Smalle: Fits wrists 17 cm - 20.6 cm in circumference

What's Included?
1. Fitbit Alta HR tracker
2. Alta HR classic band
3. Charging cable