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Basic Info

Suggested Price$269$200$350$100$199
Release20162014201620162017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours8 hours to 30 daysn/a6 months1.5-2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312n/an/an/a400 x 400
Size1.5 inches or 1.65 inchesn/an/an/a1.4 inches
Touchn/a
TypeAMOLEDn/an/aLEDOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATM3 ATM5 ATM5 ATMIP67

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemWatch OSn/an/an/aAndroid Wear 2.0
Apps
Music

All Wearables