Polar M600 vs. Withings Activite Sapphire vs. Fitbit Flex 2 vs. Fitbit Charge HR vs. Michael Kors Access Lexington 2

 
M600
Activite Sapphire
Flex 2
Charge HR
Access Lexington 2
 PolarM600Remove Buy NowWithingsActivite SapphireRemove Buy NowFitbitFlex 2Remove Buy NowFitbitCharge HRRemove Buy NowMichael KorsAccess Lexington 2Remove Buy Now

Basic Info

Suggested Price$330$450$100$150$350
Release20162014201620152019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days8 months5 days5 days2 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/an/aNA390 x 390
Size1.3 inches1.3 inchesn/aNA1.2 inches
Touchn/an/aNA
TypeTFTAnalogLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATM5 ATM1 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aNAWear OS
Apps
Music

All Wearables