Polar M400 vs. Polar M600 vs. Microsoft Band 2 vs. Huawei Watch 2 vs. Michael Kors Grayson vs. Michael Kors Grayson

 
M400
M600
Band 2
Watch 2
Grayson
Grayson
 PolarM400Remove Buy NowPolarM600Remove Buy NowMicrosoftBand 2Remove Buy NowHuaweiWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$330$250$350$350$350
Release201420162015201720182018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days48 hours (without GPS)48 hours24 hours24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a240 x 240320 x 128480 x 480453 x 454453x454
Sizen/a1.3 inches1.36 inches1.38 inches1.39 inches1.39 inches
Touchn/a
Typen/aTFTCapacitative TFTP-OLEDAMOLEDAMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IPX7IP681 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/aAndroid Wear 2Android WearAndroid Wear
Apps
Music

All Wearables