Fitbit Flex 2 vs. Garmin 645 Music vs. Fitbit Charge HR vs. Fitbit Versa 2 vs. Michael Kors Access Sofie HR

 
Flex 2
645 Music
Charge HR
Versa 2
Access Sofie HR
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowFitbitVersa 2Remove Buy NowMichael KorsAccess Sofie HRRemove Buy Now

Basic Info

Suggested Price$100$450$150$199$395
Release20162018201520192019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days5 days5 days2 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240NA300 x 300390 x 390
Sizen/a1.2 inchesNA1.34 inches1.19 inches
Touchn/aNA
TypeLEDMIPOLEDAMOLEDOMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATM5 ATM0.3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNABuild-inWear OS
Apps
Music

All Wearables