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Basic Info

Suggested Price$329$130$175$160$150
Release20172017201520182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration18 hours5 days7 days24 hours to 10 days5 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
Macn/aNA
Windowsn/aNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution340 x 272 or 390 x 312320 x 300n/a128 x 128NA
Size1.5 inches or 1.65 inches1.34 inchesn/aNANA
Touchn/aNA
TypeAMOLEDTFT LCDn/aNAOLED

Functions

Audio Speaker
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP673 ATMIP671 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWatchOS 4Proprietaryn/aKoodOSNA
Apps
Music

All Wearables