Polar M400 vs. Withings Activite Sapphire vs. Michael Kors Grayson vs. Michael Kors Grayson vs. Skagen Falster 2 vs. Huawei Band 2

 
M400
Activite Sapphire
Grayson
Grayson
Falster 2
Band 2
 PolarM400Remove Buy NowWithingsActivite SapphireRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsGraysonRemove Buy NowSkagenFalster 2Remove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$450$350$350$199$69.99
Release201420142018201820192017

Activity & Fitness

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

Battery

Duration8 hours to 30 days8 months24 hours24 hours1 day21 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a453 x 454453x454320 x 320128 x 32
Sizen/a1.3 inches1.39 inches1.39 inches1.19 inches0.91 inches
Touch
Typen/aAnalogAMOLEDAMOLEDOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

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

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid WearAndroid WearWear OS
Apps
Music

All Wearables