Polar M400 vs. Microsoft Band 2 vs. Misfit Ray vs. Huawei Watch 2 vs. Polar A370

 
M400
Band 2
Ray
Watch 2
A370
 PolarM400Remove Buy NowMicrosoftBand 2Remove Buy NowMisfitRayRemove Buy NowHuaweiWatch 2Remove Buy NowPolarA370Remove Buy Now

Basic Info

Suggested Price$200$250$100$350$179.95
Release20142015201620172017

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 months48 hoursUp to 3 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a320 x 128n/a480 x 480160 x 80
Sizen/a1.36 inchesn/a1.38 inches1.18 inches
Touchn/a
Typen/aCapacitative TFTLEDP-OLEDTFT LCD

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATMIP68WR30

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aAndroid Wear 2
Apps
Music

All Wearables