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Basic Info

Suggested Price$269$250$150$350$399
Release20162016201420162018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours13 hours to 8 days5-7 daysn/a1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312148 x 205168 x 144n/a320 x 320
Size1.5 inches or 1.65 inches1.38 inches1.26 inchesn/a1.32 inches
Touch
TypeAMOLEDn/ae-papern/aLCD

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM5 ATM5 ATM5 ATM5 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatch OSn/aPebble OSn/aWear OS
Apps
Music

All Wearables