Polar M400 vs. Misfit Flash Link vs. Misfit Ray vs. Sony SmartBand 2 vs. Acer Liquid Leap

 
M400
Flash Link
Ray
SmartBand 2
Liquid Leap
 PolarM400Remove Buy NowMisfitFlash LinkRemove Buy NowMisfitRayRemove Buy NowSonySmartBand 2Remove Buy NowAcerLiquid LeapRemove Buy Now

Basic Info

Suggested Price$200$20$100$130$90
Release20142015201620152015

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heartn/a
Oxygen
Sleep
Steps
Swim

Battery

Duration8 hours to 30 days6 months6 months2 days5 to 7 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/an/a
Resolutionn/an/an/an/a128 x 32
Sizen/an/an/an/a1 inch
Touchn/an/an/a
Typen/an/aLEDn/aOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATM3 ATM5 ATMIP58IPX4

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/an/a
Apps
Music

All Wearables