Compare and buy smartwatches and fitness trackers
  Polar M400Xiaomi Mi BandXiaomi Mi Band 2

Basic Info

Suggested Price $200$15$23
Release 201420152016

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
VO2max (Oxygen)
Sleep
Steps
Swim

Battery

Duration 8 hours30 days20 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color n/a
Resolution 128x128n/a
Size n/a0.42 inches
Touch n/a
Type LCDn/aOLED

Functions

Audio Speaker Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 3 ATMIP67IP67

Notifications

Phone
Emails
Texts

Software

Operating System n/an/a
Apps
Music

More Info & Buy

 
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