Fitbit Flex 2 vs. Huawei Talkband B2 vs. ASUS ZenWatch 3 vs. Fitbit Flex vs. Garmin Vivosmart 4

 
Flex 2
Talkband B2
ZenWatch 3
Flex
Vivosmart 4
 FitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowASUSZenWatch 3Remove Buy NowFitbitFlexRemove Buy NowGarminVivosmart 4Remove Buy Now

Basic Info

Suggested Price$100$180$229$100$130
Release20162015201720132018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days48 hours5 days7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 88400 x 400NA48 x 128
Sizen/a0.73 inches1.39 inchesNA0.74 inches
Touchn/aNA
TypeLEDPMOLEDAMOLEDLEDOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP571 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2NA
Apps
Music

All Wearables