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 AppleWatch Series 2Remove Buy NowGarminForerunner 225Remove Buy NowAmazfitStratosRemove Buy NowGarminVivofit 4Remove Buy Now

Basic Info

Suggested Price$269$300$199$79.95
Release2016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours10 hours to 4 weeks5 days1 year
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 312180 x 180320 x 30088 x 88
Size1.5 inches or 1.65 inches1 inch1.34 inchesNA
Touch
TypeAMOLEDn/aOLEDNA

Functions

Audio Speaker22
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatch OSn/aProprietary
Appsn/a
Musicn/a

All Wearables