Polar M400 vs. Sony SmartWatch 3 vs. Microsoft Band 2 vs. Polar Loop 2 vs. Michael Kors Access Sofie

 
M400
SmartWatch 3
Band 2
Loop 2
Access Sofie
 PolarM400Remove Buy NowSonySmartWatch 3Remove Buy NowMicrosoftBand 2Remove Buy NowPolarLoop 2Remove Buy NowMichael KorsAccess SofieRemove Buy Now

Basic Info

Suggested Price$200$250$250$120$395
Release20142014201520152017

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days48 hours (without GPS)8 days (without notifications)1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a320 x 320320 x 128n/a390 x 390 1.19 inches
Sizen/a1.6 inches1.36 inchesn/a
TouchAMOLDED
Typen/aTFT LCDCapacitative TFTLED

Functions

Audio SpeakerAlerts onlyBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IPX72 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/aAndroid Wear 2.0
Apps
Music

All Wearables