Polar M400 Fossil Q Reveler Huawei Talkband B2 Xiaomi Mi Band 2
  Polar M400 Remove Buy Now Fossil Q Reveler Remove Buy Now Huawei Talkband B2 Remove Buy Now Xiaomi Mi Band 2 Remove Buy Now

Basic Info

Suggested Price $200 $125 $180 $23
Release 2014 2015 2015 2016

Activity & Fitness

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

Battery

Duration 8 hours to 30 days 7 days 3 days 20 hours
Rechargeable

Compatibility

Android
iOS
Windows Phone n/a n/a
Mac n/a n/a n/a
Windows n/a n/a n/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color n/a
Resolution n/a n/a 128 x 88 n/a
Size n/a n/a 0.73 inches 0.42 inches
Touch n/a
Type n/a n/a PMOLED OLED

Functions

Audio Speaker Alerts only Bluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 3 ATM IP67 IP57 IP67

Notifications

Phone
Emails
Texts

Software

Operating System n/a n/a n/a n/a
Apps
Music