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Basic Info

Suggested Price$299$200$250$150$130
Release20172016201520142014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 Days14 hours to 11 daysNA7-10 days
Rechargeable

Compatibility

Android
iOS
Windows PhonePartialn/aNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250n/a205 x 148320 x 320NA
Size1.42n/a1.38 inches1.63 inchesNA
TouchNA
TypeOLEDLCDLCDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50mn/a5 ATMIP551 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemFitbit OSn/an/aAndroid WearNA
Apps
Music

All Wearables