Polar M400 vs. Fitbit Charge 2 vs. Microsoft Band 2 vs. Misfit Ray vs. Sony SmartBand 2

 
M400
Charge 2
Band 2
Ray
SmartBand 2
 PolarM400Remove Buy NowFitbitCharge 2Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowSonySmartBand 2Remove Buy Now

Basic Info

Suggested Price$200$150$250$100$130
Release20142016201520162015

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days48 hours (without GPS)6 months2 days
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

Colorn/an/a
Resolutionn/an/a320 x 128n/an/a
Sizen/an/a1.36 inchesn/an/a
Touchn/an/an/a
Typen/aOLEDCapacitative TFTLEDn/a

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/aIPX75 ATMIP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/an/a
Apps
Music

All Wearables