Move to the beat of you with a slim heart rate wristband that tracks activity, sleep and exercise, displays notifications & sends Reminders to Move.

• PurePulse Heart Rate: et continuous, wrist-based heart rate tracking & simplified heart rate zones.
• 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.
• 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.
• Battery type: Lithium-polymer
• Charge time: One to two hours
• Radio transceiver: Bluetooth 4.0
• In the box: Fitbit Alta HR tracker, Alta HR classic band, Charging cable