Polar M400 vs. Fitbit Versa vs. Michael Kors Grayson vs. Michael Kors Access Sofie HR vs. Michael Kors Grayson vs. Huawei Band 2

 
M400
Versa
Grayson
Access Sofie HR
Grayson
Band 2
 PolarM400Remove Buy NowFitbitVersaRemove Buy NowMichael KorsGraysonRemove Buy NowMichael KorsAccess Sofie HRRemove Buy NowMichael KorsGraysonRemove Buy NowHuaweiBand 2Remove Buy Now

Basic Info

Suggested Price$200$199.99$350$395$350$69.99
Release201420182018201920182017

Activity & Fitness

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

Battery

Duration8 hours to 30 days4 days24 hours2 days24 hours21 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a300 x300453 x 454390 x 390453x454128 x 32
Sizen/a1.34 inches1.39 inches1.19 inches1.39 inches0.91 inches
Touch
Typen/aOLEDAMOLEDOMOLEDAMOLEDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATM1 ATM0.3 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OSAndroid Wear
Apps
Music

All Wearables