Polar M400 vs. Sony SmartBand Talk vs. Diesel On Full Guard 2.5

 
M400
SmartBand Talk
On Full Guard 2.5
 PolarM400Remove Buy NowSonySmartBand TalkRemove Buy NowDieselOn Full Guard 2.5Remove Buy Now

Basic Info

Suggested Price$200$170$325
Release201420142018

Activity & Fitness

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

Battery

Duration8 hours to 30 days3 days4 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a296 x 128454x454
Sizen/a1.4 inches1.39 inches
Touch
Typen/aE Ink

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP683 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid WearWear OS
Apps
Music

Wearables by Diesel

Diesel On Full Guard

All Wearables