Fitbit Flex 2 vs. Misfit Flash Link vs. Acer Liquid Leap vs. Garmin 645 Music vs. Amazfit T-Rex

 
Flex 2
Flash Link
Liquid Leap
645 Music
T-Rex
 FitbitFlex 2Remove Buy NowMisfitFlash LinkRemove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$100$20$90$450$140
Release20162015201520182019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days6 months5 to 7 days7 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/an/a128 x 32240 x 240360 x 360
Sizen/an/a1 inch1.2 inches1.3 inches
Touchn/an/a
TypeLEDn/aOLEDMIPAMOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIPX45 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aBuild-in
Apps
Music

All Wearables