Polar M600 vs. Fitbit Charge 2 vs. Michael Kors Grayson vs. Motorola Moto 360 (1st Gen) vs. Fitbit Flex vs. Michael Kors Grayson

 
M600
Charge 2
Grayson
Moto 360 (1st Gen)
Flex
Grayson
 PolarM600Remove Buy NowFitbitCharge 2Remove Buy NowMichael KorsGraysonRemove Buy NowMotorolaMoto 360 (1st Gen)Remove Buy NowFitbitFlexRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$330$150$350$150$100$350
Release201620162018201420132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days5 days24 hours1 day5 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240n/a453 x 454320 x 260NA453x454
Size1.3 inchesn/a1.39 inches1.56 inchesNA1.39 inches
Touchn/an/aNA
TypeTFTOLEDAMOLEDLCDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8n/a1 ATMIP671 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aAndroid WearAndroid WearNAAndroid Wear
Apps
MusicNA

All Wearables