Fitbit Flex 2 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Polar A370 vs. Sony SmartBand

 
Flex 2
Liquid Leap
645 Music
A370
SmartBand
 FitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowPolarA370Remove Buy NowSonySmartBandRemove Buy Now

Basic Info

Suggested Price$100$90$450$179.95$100
Release20162015201820172014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 to 7 days7 daysUp to 3 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolutionn/a128 x 32240 x 240160 x 80NA
Sizen/a1 inch1.2 inches1.18 inchesNA
Touchn/aNA
TypeLEDOLEDMIPTFT LCDNA

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIPX45 ATMWR30IP58

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNA
Apps
Music

All Wearables