Fitbit Flex 2 vs. Acer Liquid Leap vs. Casio WSD-F20A vs. Garmin 645 Music vs. Fitbit Charge HR

 
Flex 2
Liquid Leap
WSD-F20A
645 Music
Charge HR
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowCasioWSD-F20ARemove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy Now

Basic Info

Suggested Price$100$90$399$450$150
Release20162015201820182015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days1 day7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Mac
Windows

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 32320 x 320240 x 240NA
Sizen/a1 inch1.32 inches1.2 inchesNA
Touchn/aNA
TypeLEDOLEDLCDMIPOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX45 ATM5 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWear OSNA
Apps
Music

All Wearables