Polar M400 vs. Sony SmartBand Talk vs. Acer Liquid Leap vs. Misfit Vapor 2

 
M400
SmartBand Talk
Liquid Leap
Vapor 2
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowAcerLiquid LeapRemove Buy NowMisfitVapor 2Remove Buy Now

Basic Info

Suggested Price$200$170$90$250
Release2014201420152018

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days5 to 7 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128128 x 32454 x 454
Sizen/a1.4 inches1 inch1.42 inches
Touch
Typen/aE InkOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68IPX43 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OS
Apps
Music

All Wearables