Image of a ZenWatch 3
Image of a Watch
Image of a VivoWatch
Image of a ZenWatch
Image of a 645 Music
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Basic Info

Suggested Price$229$349$160$150$450
Release20172015201820142018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hoursn/a24 hours to 10 daysNA7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
Macn/aNANA
Windowsn/aNANA

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution400 x 400400 x 400128 x 128320 x 320240 x 240
Size1.39 inches1.4 inchesNA1.63 inches1.2 inches
Touch
TypeAMOLEDAMOLEDNAAMOLEDMIP

Functions

Audio Speakern/a
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/aIP67IP555 ATM

Notifications

Phone
EmailsNA
TextsNA

Software

Operating SystemAndroid Wear 2Android WearKoodOSAndroid Wear
Apps
Musicn/a

All Wearables