WSD-F20A
Connected
Vivofit 4
M400
 CasioWSD-F20ARemove Buy NowEmporio ArmaniConnectedRemove Buy NowGarminVivofit 4Remove Buy NowPolarM400Remove Buy Now

Basic Info

Suggested Price$399$245$79.95$200
Release2018201620182014

Activity & Fitness

Calories
Cycling (Bicycling)n/a
Distance
Heartn/an/a
Oxygenn/a
Sleep
Steps
Swimn/a

Battery

Duration1 day6 months1 year8 hours to 30 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellularn/a
GPSn/a
NFCn/a
Wi-Fin/a

Display

Colorn/a
Resolution320 x 320n/a88 x 88n/a
Size1.32 inchesn/aNAn/a
Touchn/a
TypeLCDn/aNAn/a

Functions

Audio Speakern/aAlerts only
Clock
Phone
Vibration
Voicen/a

Hardware

Accelerometern/a
Barometer or Altimetern/a
Ultraviolet Sensorn/a
Water Resistance5 ATM10 ATM5 ATM3 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemWear OSn/an/a
Appsn/a
Music

All Wearables