Polar M400 vs. Fitbit One vs. LG Watch Sport vs. Garmin 645 Music

 
M400
One
Watch Sport
645 Music
 PolarM400Remove Buy NowFitbitOneRemove Buy NowLGWatch SportRemove Buy NowGarmin645 MusicRemove Buy Now

Basic Info

Suggested Price$200$100$349$450
Release2014201220162018

Activity & Fitness

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

Battery

Duration8 hours to 30 days10-14 days1.45 days7 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a480 x 480240 x 240
Sizen/an/a1.38 inches1.2 inches
Touch
Typen/aOLEDP-OLEDMIP

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplast ResistantIP685 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2
Apps
Music

All Wearables