Michael Kors Grayson vs. Fitbit Charge 3 vs. Jaybird Reign vs. Michael Kors Grayson vs. Mobvoi TicWatch e2 vs. Amazfit T-Rex

 
Grayson
Charge 3
Reign
Grayson
TicWatch e2
T-Rex
 Michael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy NowMobvoiTicWatch e2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$350$150$150$350$200$140
Release201820182015201820192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration24 hours7 days5 days24 hours1 day20 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNA
MacNA
WindowsNot yetNA

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolution453 x 45466 x 18NA453x454360 x 360360 x 360
Size1.39 inches.721 inchesNA1.39 inches1.2 inches1.3 inches
TouchNA
TypeAMOLEDOLEDLEDAMOLEDAMOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATM5 ATMNA1 ATMIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearNANAAndroid WearWear OSBuild-in
Apps
Music

All Wearables