Polar M400 vs. TomTom Adventurer vs. Michael Kors Grayson vs. Pebble Time 2 vs. Xiaomi Mi Band vs. Michael Kors Grayson

 
M400
Adventurer
Grayson
Time 2
Mi Band
Grayson
 PolarM400Remove Buy NowTomTomAdventurerRemove Buy NowMichael KorsGraysonRemove Buy NowPebbleTime 2Remove Buy NowXiaomiMi BandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$350$350$199$15$350
Release201420162018201620152018

Activity & Fitness

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

Battery

Duration8 hours to 30 daysn/a24 hours10 days30 days24 hours
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/aNA
MacNANA
WindowsNANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/an/a453 x 454NANA453x454
Sizen/an/a1.39 inchesNANA1.39 inches
TouchNA
Typen/an/aAMOLEDe-paperNAAMOLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM3 ATMIP671 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/aAndroid WearPebble OSNAAndroid Wear
Apps
Music

All Wearables