Image of a GTR
Image of a Stratos
Image of a Watch Series 3
Image of a Gen 5 Smartwatch Carlyle
Image of a Vivosmart 3
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Basic Info

Suggested Price$199$199$329$295$139.99
Release20192018201720192017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 days5 days18 hours1 day5 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution454 x 454320 x 300340 x 272 or 390 x 312328 x 32864 x 128
Size1.39 inches1.34 inches1.5 inches or 1.65 inches1.3 inchesNA
Touch
TypeAMOLEDOLEDAMOLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM5 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemBuild-inProprietaryWatchOS 4Wear OS
Apps
Music

All Wearables