Huawei Talkband B2 vs. Polar Loop 2 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Amazfit T-Rex vs. Garmin VivoActive 4

 
Talkband B2
Loop 2
Grayson
Grayson
T-Rex
VivoActive 4
 HuaweiTalkband B2Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowAmazfitT-RexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$180$120$350$350$140$349
Release201520152018201820192019

Activity & Fitness

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

Battery

Duration3 days8 days (without notifications)24 hours24 hours20 days8 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88n/a453 x 454453x454360 x 360260 x 260
Size0.73 inchesn/a1.39 inches1.39 inches1.3 inches1.3ionches
Touch
TypePMOLEDLEDAMOLEDAMOLEDAMOLEDMIP

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP572 ATM1 ATM1 ATM5 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearBuild-inWear OS
Apps
Music

All Wearables