Polar M400 vs. Polar V800 vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Huawei Band 2

 
M400
V800
Grayson
Grayson
Band 2
 PolarM400Remove Buy NowPolarV800Remove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$470$350$350$69.99
Release20142014201820182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days13 hours to 30 days24 hours24 hours21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454453x454128 x 32
Sizen/an/a1.39 inches1.39 inches0.91 inches
Touch
Typen/an/aAMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM1 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid Wear
Apps
Music

All Wearables