Polar M400 vs. Sony SmartBand 2 vs. Fossil Explorist vs. Michael Kors Grayson vs. Jawbone UP Move vs. Michael Kors Grayson

 
M400
SmartBand 2
Explorist
Grayson
UP Move
Grayson
 PolarM400Remove Buy NowSonySmartBand 2Remove Buy NowFossilExploristRemove Buy NowMichael KorsGraysonRemove Buy NowJawboneUP MoveRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$130$255$350$50$350
Release201420152018201820142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days24 hours24 hours6 months24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/an/a454 x454453 x 454NA453x454
Sizen/an/a1.4 inches1.39 inchesNA1.39 inches
Touchn/aNA
Typen/an/aAMOLEDAMOLEDNAAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP58IP671 ATMSplash Resistant1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables