Fitbit Charge 2 vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Fitbit Charge 3 vs. Michael Kors Grayson vs. Huawei Band 2

 
Charge 2
WSD-F20A
Grayson
Charge 3
Grayson
Band 2
 FitbitCharge 2Remove Buy NowCasioWSD-F20ARemove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge 3Remove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$150$399$350$150$350$69.99
Release201620182018201820182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days1 day24 hours7 days24 hours21 days
Rechargeable

Compatibility

Android
iOS
Windows Phone
Mac
WindowsNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Color
Resolutionn/a320 x 320453 x 45466 x 18453x454128 x 32
Sizen/a1.32 inches1.39 inches.721 inches1.39 inches0.91 inches
Touchn/a
TypeOLEDLCDAMOLEDOLEDAMOLEDPMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistancen/a5 ATM1 ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSAndroid WearNAAndroid Wear
Apps
Music

All Wearables