Garmin Forerunner 225 vs. Polar M400 vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Casio WSD-F20A

 
Forerunner 225
M400
Flex 2
Talkband B2
WSD-F20A
 GarminForerunner 225Remove Buy NowPolarM400Remove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$300$200$100$180$399
Release20152014201620152018

Activity & Fitness

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

Battery

Duration10 hours to 4 weeks8 hours to 30 days5 days3 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution180 x 180n/an/a128 x 88320 x 320
Size1 inchn/an/a0.73 inches1.32 inches
Touchn/a
Typen/an/aLEDPMOLEDLCD

Functions

Audio Speaker22Alerts onlyBluetooth
Clock
Phonen/a
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATM5 ATMIP575 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/an/aWear OS
Appsn/a
Musicn/a

All Wearables