Flex
Reign
Core
Mi Band
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Basic Info

Suggested Price$100$150$99$15
Release2013201520162015

Activity & Fitness

Calories
Cycling (Bicycling)NA
Distance
Heart
Oxygen
SleepNA
Steps
Swim

Battery

Duration5 days5 daysNA30 days
Rechargeable

Compatibility

Android
iOSNA
Windows PhoneNANANA
MacNANANA
WindowsNANANA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

ColorNA
ResolutionNANANANA
SizeNANANANA
TouchNANANANA
TypeLEDLEDNANA

Functions

Audio Speaker
Clock
PhoneNA
VibrationNA
Voice

Hardware

AccelerometerNA
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance1 ATMNANAIP67

Notifications

PhoneNA
EmailsNA
TextsNA

Software

Operating SystemNANANANA
Apps
Music

All Wearables