Polar M400 vs. Fossil Q Dreamer vs. Xiaomi Mi Band 2 vs. Mobvoi TicWatch S2 vs. Mobvoi TicWatch e2

 
M400
Q Dreamer
Mi Band 2
TicWatch S2
TicWatch e2
 PolarM400Remove Buy NowFossilQ DreamerRemove Buy NowXiaomiMi Band 2Remove Buy NowMobvoiTicWatch S2Remove Buy NowMobvoiTicWatch e2Remove Buy Now

Basic Info

Suggested Price$200$125$23$180$200
Release20142015201620192019

Activity & Fitness

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

Battery

Duration8 hours to 30 days7 days20 hours2 DAYS1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/an/a400 x 400360 x 360
Sizen/an/a0.42 inches1.39 inches1.2 inches
Touchn/a
Typen/an/aOLEDOLEDAMOLED

Functions

Audio SpeakerAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance3 ATMIP67IP675 ATMIP68

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aWear OSWear OS
Apps
Music

All Wearables