Compare and buy smartwatches and fitness trackers
  Polar M400Polar M600Xiaomi Mi Band 2

Basic Info

Suggested Price $200$330$23
Release 201420162016

Activity & Fitness

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

Battery

Duration 8 hours2 days20 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution 128x128240 x 240
Size 1.3 inches0.42 inches
Touch
Type LCDTFTOLED

Functions

Audio Speaker Alerts onlyAlerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 3 ATMIPX8IP67

Notifications

Phone
Emails
Texts

Software

Operating System Android Wearn/a
Apps
Music

More Info & Buy

 
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