Polar M400 vs. Xiaomi Mi Band 2 vs. Garmin 645 Music vs. Misfit Flash Cyclist Edition

 
M400
Mi Band 2
645 Music
Flash Cyclist Edition
 PolarM400Remove Buy NowXiaomiMi Band 2Remove Buy NowGarmin645 MusicRemove Buy NowMisfitFlash Cyclist EditionRemove Buy Now

Basic Info

Suggested Price$200$23$450$50
Release2014201620182015

Activity & Fitness

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

Battery

Duration8 hours to 30 days20 hours7 days6 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a240 x 240NA
Sizen/a0.42 inches1.2 inchesNA
TouchNA
Typen/aOLEDMIPNA

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP675 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aNA
Apps
Music

All Wearables