Polar M400 vs. Misfit Speedo Shine 2 vs. Garmin 645 Music vs. Garmin Vivosmart HR Plus vs. Misfit Flash Cyclist Edition

 
M400
Speedo Shine 2
645 Music
Vivosmart HR Plus
Flash Cyclist Edition
 PolarM400Remove Buy NowMisfitSpeedo Shine 2Remove Buy NowGarmin645 MusicRemove Buy NowGarminVivosmart HR PlusRemove Buy NowMisfitFlash Cyclist EditionRemove Buy Now

Basic Info

Suggested Price$200$80$450$179$50
Release20142016201820172015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days6 months7 days5 days6 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a240 x 240160 x 68NA
Sizen/an/a1.2 inches0.5 inches x 0.8 inchesNA
Touchn/aNA
Typen/an/aMIPLCDNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM5 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNANA
Apps
Music

All Wearables