Polar M600 vs. Fitbit Flex 2 vs. Acer Liquid Leap vs. Garmin 645 Music vs. Pebble Core

 
M600
Flex 2
Liquid Leap
645 Music
Core
 PolarM600Remove Buy NowFitbitFlex 2Remove Buy NowAcerLiquid LeapRemove Buy NowGarmin645 MusicRemove Buy NowPebbleCoreRemove Buy Now

Basic Info

Suggested Price$330$100$90$450$99
Release20162016201520182016

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration2 days5 days5 to 7 days7 daysNA
Rechargeable

Compatibility

Android
iOSNA
Windows Phonen/an/aNA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution240 x 240n/a128 x 32240 x 240NA
Size1.3 inchesn/a1 inch1.2 inchesNA
Touchn/an/aNA
TypeTFTLEDOLEDMIPNA

Functions

Audio SpeakerAlerts only
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX85 ATMIPX45 ATMNA

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemAndroid Wearn/aNA
Apps
Music

All Wearables