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Basic Info

Suggested Price$299$450$300$295$170
Release20172018201520202015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration4+ days7 days10 hours to 4 weeks1 day8 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution348x250240 x 240180 x 180416 x 416n/a
Size1.421.2 inches1 inch1.28 inches1.3 inches
Touch
TypeOLEDMIPn/aOLEDAnalog

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

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

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

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

All Wearables