Huawei Talkband B2 vs. Apple Watch Series 2 vs. Garmin 645 Music vs. Fitbit Flex vs. Garmin VivoActive 4

 
Talkband B2
Watch Series 2
645 Music
Flex
VivoActive 4
 HuaweiTalkband B2Remove Buy NowAppleWatch Series 2Remove Buy NowGarmin645 MusicRemove Buy NowFitbitFlexRemove Buy NowGarminVivoActive 4Remove Buy Now

Basic Info

Suggested Price$180$269$450$100$349
Release20152016201820132019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days18 hours7 days5 days8 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/aNA
Macn/a
Windowsn/a

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88340 x 272 or 390 x 312240 x 240NA260 x 260
Size0.73 inches1.5 inches or 1.65 inches1.2 inchesNA1.3ionches
TouchNA
TypePMOLEDAMOLEDMIPLEDMIP

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP575ATM5 ATM1 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aWatch OSNAWear OS
Apps
Music

All Wearables