Polar M400 vs. Microsoft Band 2 vs. Misfit Ray vs. Moov Now vs. Xiaomi Mi Band 2

 
M400
Band 2
Ray
Now
Mi Band 2
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowMoovNowRemove Buy NowXiaomiMi Band 2Remove Buy Now

Basic Info

Suggested Price$200$250$100$79$23
Release20142015201620152016

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months6 months20 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128n/an/an/a
Sizen/a1.36 inchesn/an/a0.42 inches
Touchn/an/a
Typen/aCapacitative TFTLEDn/aOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimetern/a
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATMn/aIP67

Notifications

Phone
Emails
Texts

Software

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

All Wearables