Polar M400 vs. LG Watch Sport vs. Casio WSD-F20A vs. Polar Loop vs. Huawei Band 2

 
M400
Watch Sport
WSD-F20A
Loop
Band 2
 PolarM400Remove Buy NowLGWatch SportRemove Buy NowCasioWSD-F20ARemove Buy NowPolarLoopRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$349$399$100$69.99
Release20142016201820132017

Activity & Fitness

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

Battery

Duration8 hours to 30 days1.45 days1 day5 days21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a480 x 480320 x 320NA128 x 32
Sizen/a1.38 inches1.32 inchesNA0.91 inches
Touch
Typen/aP-OLEDLCDLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP685 ATM2 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Wear OSNA
Apps
Music

All Wearables