Polar M400 vs. Misfit Ray vs. Garmin 645 Music vs. Michael Kors Grayson vs. Misfit Shine vs. Michael Kors Grayson

 
M400
Ray
645 Music
Grayson
Shine
Grayson
 PolarM400Remove Buy NowMisfitRayRemove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMisfitShineRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$100$450$350$70$350
Release201420162018201820132018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months7 days24 hours6 months24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a240 x 240453 x 454NA453x454
Sizen/an/a1.2 inches1.39 inchesNA1.39 inches
Touchn/aNA
Typen/aLEDMIPAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM1 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables