Fitbit Flex 2 vs. Garmin 645 Music vs. Michael Kors Grayson vs. Jaybird Reign vs. Michael Kors Grayson vs. Fitbit Inspire HR

 
Flex 2
645 Music
Grayson
Reign
Grayson
Inspire HR
 FitbitFlex 2Remove Buy NowGarmin645 MusicRemove Buy NowMichael KorsGraysonRemove Buy NowJaybirdReignRemove Buy NowMichael KorsGraysonRemove Buy NowFitbitInspire HRRemove Buy Now

Basic Info

Suggested Price$100$450$350$150$350$99
Release201620182018201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days7 days24 hours5 days24 hours5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240453 x 454NA453x454139 x 60
Sizen/a1.2 inches1.39 inchesNA1.39 inches1.4 inches
Touchn/aNA
TypeLEDMIPAMOLEDLEDAMOLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATM1 ATMNA1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAAndroid WearFitbit OS
Apps
Music

All Wearables