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Basic Info

Suggested Price$269$299$250$69.99$399
Release20162017201520162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours4+ days14 hours to 11 days20 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312348x250205 x 14872 x40320 x 320
Size1.5 inches or 1.65 inches1.421.38 inches0.42 inches1.32 inches
Touch
TypeAMOLEDOLEDLCDOLEDLCD

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM50m5 ATMIP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatch OSFitbit OSn/aWear OS
Apps
Music

All Wearables