Polar M400 Fossil Q Reveler Garmin Vivosmart HR Sony SmartBand Talk Xiaomi Mi Band 2
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Basic Info

Suggested Price $200 $125 $170 $170 $23
Release 2014 2015 2015 2014 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 5 days 3 days 20 hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color n/a
Resolution n/a n/a 160 x 68 296 x 128 n/a
Size n/a n/a 1.08 inches 1.4 inches 0.42 inches
Touch n/a
Type n/a n/a n/a E Ink OLED

Functions

Audio Speaker Alerts only
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance 3 ATM IP67 5 ATM IP68 IP67

Notifications

Phone
Emails
Texts

Software

Operating System n/a n/a n/a Android Wear n/a
Apps
Music