Pebble Time vs. Polar M400 vs. Sony SmartBand 2 vs. Xiaomi Mi Band 2

 
Time
M400
SmartBand 2
Mi Band 2
 PebbleTimeRemove Buy NowPolarM400Remove Buy NowSonySmartBand 2Remove Buy NowXiaomiMi Band 2Remove Buy Now

Basic Info

Suggested Price$150$200$130$23
Release2015201420152016

Activity & Fitness

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

Battery

Duration7 days8 hours to 30 days2 days20 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution168 x 144n/an/an/a
Size1.26 inchesn/an/a0.42 inches
Touchn/a
Typee-papern/an/aOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM3 ATMIP58IP67

Notifications

Phone
Emails
Texts

Software

Operating SystemPebble OSn/an/an/a
Apps
Music

All Wearables