Polar M600 vs. Misfit Speedo Shine 2 vs. Garmin 645 Music vs. Fitbit Charge vs. Garmin Vivosmart HR Plus

 
M600
Speedo Shine 2
645 Music
Charge
Vivosmart HR Plus
 PolarM600Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitChargeRemove Buy NowGarminVivosmart HR PlusRemove Buy Now

Basic Info

Suggested Price$330$80$450$130$179
Release20162016201820142017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days6 months7 days7-10 days5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a240 x 240NA160 x 68
Size1.3 inchesn/a1.2 inchesNA0.5 inches x 0.8 inches
Touchn/an/aNA
TypeTFTn/aMIPOLEDLCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/aNANA
Apps
Music

All Wearables