Polar M400 vs. Polar M600 vs. Microsoft Band 2 vs. Misfit Ray

 
M400
M600
Band 2
Ray
 PolarM400Remove Buy NowPolarM600Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy Now

Basic Info

Suggested Price$200$330$250$100
Release2014201620152016

Activity & Fitness

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

Battery

Duration8 hours to 30 days2 days48 hours (without GPS)6 months
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a240 x 240320 x 128n/a
Sizen/a1.3 inches1.36 inchesn/a
Touchn/an/a
Typen/aTFTCapacitative TFTLED

Functions

Audio SpeakerAlerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX8IPX75 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wearn/an/a
Apps
Music

All Wearables