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Basic Info

Suggested Price$299$300$170$450$295
Release20172015201520182020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days10 hours to 4 weeks8 months7 days1 day
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Macn/an/a
Windowsn/an/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250180 x 180n/a240 x 240416 x 416
Size1.421 inch1.3 inches1.2 inches1.28 inches
Touch
TypeOLEDn/aAnalogMIPOLED

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATM5 ATM5 ATM3 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemFitbit OSn/an/aWear OS
Appsn/a
Musicn/a

All Wearables