Polar Loop 2 vs. Huawei Watch 2 vs. Michael Kors Grayson vs. Fitbit Charge vs. Sony SmartBand vs. Michael Kors Grayson

 
Loop 2
Watch 2
Grayson
Charge
SmartBand
Grayson
 PolarLoop 2Remove Buy NowHuaweiWatch 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitChargeRemove Buy NowSonySmartBandRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$120$350$350$130$100$350
Release201520172018201420142018

Activity & Fitness

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

Battery

Duration8 days (without notifications)48 hours24 hours7-10 days5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
Resolutionn/a480 x 480453 x 454NANA453x454
Sizen/a1.38 inches1.39 inchesNANA1.39 inches
TouchNANA
TypeLEDP-OLEDAMOLEDOLEDNAAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance2 ATMIP681 ATM1 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2Android WearNANAAndroid Wear
Apps
Music

All Wearables