Sony SmartBand 2 vs. Michael Kors Grayson vs. Fitbit Charge HR vs. Fitbit Flex vs. Polar Loop vs. Michael Kors Grayson

 
SmartBand 2
Grayson
Charge HR
Flex
Loop
Grayson
 SonySmartBand 2Remove Buy NowMichael KorsGraysonRemove Buy NowFitbitCharge HRRemove Buy NowFitbitFlexRemove Buy NowPolarLoopRemove Buy NowMichael KorsGraysonRemove Buy Now

Basic Info

Suggested Price$130$350$150$100$100$350
Release201520182015201320132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days24 hours5 days5 days5 days24 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a453 x 454NANANA453x454
Sizen/a1.39 inchesNANANA1.39 inches
Touchn/aNANA
Typen/aAMOLEDOLEDLEDLEDAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP581 ATM1 ATM1 ATM2 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNANANAAndroid Wear
Apps
Music

All Wearables