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Basic Info

Suggested Price$269$349$470$130$199
Release20162015201420162016

Activity & Fitness

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

Battery

Duration18 hoursn/a13 hours to 30 days5 days10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution340 x 272 or 390 x 312400 x 400n/an/aNA
Size1.5 inches or 1.65 inches1.4 inchesn/an/aNA
Touchn/a
TypeAMOLEDAMOLEDn/aOLEDe-paper

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5ATMn/a3 ATMn/a3 ATM

Notifications

Phone
Emailsn/a
Texts

Software

Operating SystemWatch OSAndroid Wearn/an/aPebble OS
Apps
Musicn/a

All Wearables