Huawei Watch 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Jaybird Reign vs. Garmin Vivosmart 4

 
Watch 2
645 Music
Flex
Reign
Vivosmart 4
 HuaweiWatch 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowJaybirdReignRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$350$450$100$150$130
Release20172018201320152018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration48 hours7 days5 days5 days7 days
Rechargeable

Compatibility

Android
iOS
Windows PhoneNANA
MacNA
WindowsNA

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution480 x 480240 x 240NANA48 x 128
Size1.38 inches1.2 inchesNANA0.74 inches
TouchNANA
TypeP-OLEDMIPLEDLEDOLED

Functions

Audio Speaker
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP685 ATM1 ATMNA5 ATM

Notifications

Phone
Emails
Texts

Software

Operating SystemAndroid Wear 2NANA
Apps
Music

All Wearables