Polar M400 vs. Sony SmartBand Talk vs. Jawbone UP4 vs. Skagen Falster 2

 
M400
SmartBand Talk
UP4
Falster 2
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowJawboneUP4Remove Buy NowSkagenFalster 2Remove Buy Now

Basic Info

Suggested Price$200$170$200$199
Release2014201420152019

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 daysNA1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128NA320 x 320
Sizen/a1.4 inchesNA1.19 inches
TouchNA
Typen/aE InkNAOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP68NA3 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearNAWear OS
Apps
MusicNA

All Wearables