Polar M600 vs. Sony SmartBand Talk vs. Acer Liquid Leap vs. Fitbit Flex vs. Fitbit Sense 2

 
M600
SmartBand Talk
Liquid Leap
Flex
Sense 2
 PolarM600Remove Buy NowSonySmartBand TalkRemove Buy NowAcerLiquid LeapRemove Buy NowFitbitFlexRemove Buy NowFitbitSense 2Remove Buy Now

Basic Info

Suggested Price$330$170$90$100$300
Release20162014201520132022

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days3 days5 to 7 days5 days6 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution240 x 240296 x 128128 x 32NA336x336
Size1.3 inches1.4 inches1 inchNA1.59 inches
Touchn/aNA
TypeTFTE InkOLEDLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX8IP68IPX41 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid WearAndroid WearNA
Apps
Music

All Wearables