Polar M600 vs. TomTom Adventurer vs. Fitbit Charge 2 vs. Michael Kors Grayson vs. Fitbit Flex vs. Michael Kors Grayson

 
M600
Adventurer
Charge 2
Grayson
Flex
Grayson
 PolarM600Remove Buy NowTomTomAdventurerRemove Buy NowFitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$350$150$350$100$350
Release201620162016201820132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 daysn/a5 days24 hours5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/an/a453 x 454NA453x454
Size1.3 inchesn/an/a1.39 inchesNA1.39 inches
Touchn/an/aNA
TypeTFTn/aOLEDAMOLEDLEDAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMn/a1 ATM1 ATM1 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables