Pebble Time Round vs. Xiaomi Mi Band 2 vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson

 
Time Round
Mi Band 2
Grayson
Charge 3
Grayson
 PebbleTime RoundRemove Buy NowXiaomiMi Band 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$200$23$350$150$350
Release20152016201820182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Stepsn/a
Swim

Battery

Duration2 days20 hours24 hours7 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/an/a453 x 45466 x 18453x454
Sizeround0.42 inches1.39 inches.721 inches1.39 inches
Touch
Typee-paperOLEDAMOLEDOLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX7IP671 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/aAndroid WearNAAndroid Wear
Apps
Music

All Wearables