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Basic Info

Suggested Price$299$100$99.99$130$150
Release20172016201820142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days5 days30 days7-10 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution348x250n/a176 x 176NA128 x 36
Size1.42n/a1.28 inchesNA1.4 inches
Touchn/aNA
TypeOLEDLEDNAOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance50m5 ATMIP681 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemFitbit OSn/aNA
Apps
Music

All Wearables