Polar M400 vs. Fitbit Zip vs. Diesel On Full Guard vs. Michael Kors Grayson vs. Misfit Speedo Shine vs. Michael Kors Grayson

 
M400
Zip
On Full Guard
Grayson
Speedo Shine
Grayson
 PolarM400Remove Buy NowFitbitZipRemove Buy NowDieselOn Full GuardRemove Buy NowMichael KorsGraysonRemove Buy NowMisfitSpeedo ShineRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$60$325$350$80$350
Release201420122017201820152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months1 day24 hours6 months24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a454 x 454453 x 454NA453x454
Sizen/an/a1.4 inches1.39 inchesNA1.39 inches
TouchNA
Typen/an/aOMOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMSplash ResistantIP671 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2.0Android WearNAAndroid Wear
Apps
Music

All Wearables