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Basic Info

Suggested Price$299$500$255$199.99$450
Release20172017201720182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ daysUp to 2 weeks30 hours4 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 240128x128300 x300240 x 240
Size1.421.2 inches1.4 inch1.34 inches1.2 inches
Touch
TypeOLEDLCDLCDOLEDMIP

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATMWR305 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OS
Apps
Music

All Wearables