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Basic Info

Suggested Price$329$299$599.99$199.99$99
Release20172017201720182016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration18 hours4+ daysUp to 9 days4 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250218x 218300 x300NA
Size1.5 inches or 1.65 inches1.421.1 inches1.34 inchesNA
TouchNA
TypeAMOLEDOLEDnaOLEDNA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM50m10ATM5 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemWatchOS 4Fitbit OSNA
Apps
Music

All Wearables