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

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

Basic Info

Suggested Price$200$250$100$179.95$69.99
Release20142015201620172017

Activity & Fitness

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

Battery

Duration8 hours to 30 days48 hours (without GPS)6 monthsUp to 3 days21 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/a160 x 80128 x 32
Sizen/a1.36 inchesn/a1.18 inches0.91 inches
Touchn/a
Typen/aCapacitative TFTLEDTFT LCDPMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIPX75 ATMWR305 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/a
Apps
Music

All Wearables