Polar M600 vs. TomTom Spark vs. Misfit Shine 2 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M600
Spark
Shine 2
645 Music
Grayson
Grayson
 PolarM600Remove Buy NowTomTomSparkRemove Buy NowMisfitShine 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$150$100$450$350$350
Release201620152015201820182018

Activity & Fitness

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

Battery

Duration2 daysn/a6 months7 days24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution240 x 240n/an/a240 x 240453 x 454453x454
Size1.3 inchesn/an/a1.2 inches1.39 inches1.39 inches
Touchn/an/a
TypeTFTLCDn/aMIPAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM5 ATM1 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables