Polar M600 vs. Misfit Flash Link vs. Sony SmartBand 2 vs. ASUS ZenWatch 3 vs. Fitbit Flex

 
M600
Flash Link
SmartBand 2
ZenWatch 3
Flex
 PolarM600Remove Buy NowMisfitFlash LinkRemove Buy NowSonySmartBand 2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$330$20$130$229$100
Release20162015201520172013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration2 days6 months2 days48 hours5 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolution240 x 240n/an/a400 x 400NA
Size1.3 inchesn/an/a1.39 inchesNA
Touchn/an/an/aNA
TypeTFTn/an/aAMOLEDLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIPX83 ATMIP581 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wearn/an/aAndroid Wear 2NA
Apps
Music

All Wearables