Polar M400 vs. Fitbit Charge 2

 
M400
Charge 2
 PolarM400Buy NowFitbitCharge 2Buy Now

Basic Info

Suggested Price$200$150
Release20142016

Activity & Fitness

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

Battery

Duration8 hours to 30 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/a
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/an/a
Sizen/an/a
Touchn/a
Typen/aOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMn/a

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/a
Apps
Music

All Wearables