Polar M600 vs. Misfit Flash Link vs. Casio WSD-F20A vs. Garmin 645 Music vs. Jaybird Reign

 
M600
Flash Link
WSD-F20A
645 Music
Reign
 PolarM600Remove Buy NowMisfitFlash LinkRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowJaybirdReignRemove Buy Now

Basic Info

Suggested Price$330$20$399$450$150
Release20162015201820182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days6 months1 day7 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a320 x 320240 x 240NA
Size1.3 inchesn/a1.32 inches1.2 inchesNA
Touchn/an/aNA
TypeTFTn/aLCDMIPLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX83 ATM5 ATM5 ATMNA

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aWear OSNA
Apps
Music

All Wearables