Polar M400 vs. Misfit Ray vs. Sony SmartBand 2 vs. Apple Watch Series 2 vs. Acer Liquid Leap

 
M400
Ray
SmartBand 2
Watch Series 2
Liquid Leap
 PolarM400Remove Buy NowMisfitRayRemove Buy NowSonySmartBand 2Remove Buy NowAppleWatch Series 2Remove Buy NowAcerLiquid LeapRemove Buy Now

Basic Info

Suggested Price$200$100$130$269$90
Release20142016201520162015

Activity & Fitness

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

Battery

Duration8 hours to 30 days6 months2 days18 hours5 to 7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/an/a340 x 272 or 390 x 312128 x 32
Sizen/an/an/a1.5 inches or 1.65 inches1 inch
Touchn/an/a
Typen/aLEDn/aAMOLEDOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM5 ATMIP585ATMIPX4

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWatch OS
Apps
Music

All Wearables