Fitbit Flex 2 vs. Huawei Talkband B2 vs. ASUS ZenWatch 3 vs. Asus VivoWatch vs. Fitbit Alta HR

 
Flex 2
Talkband B2
ZenWatch 3
VivoWatch
Alta HR
 FitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowASUSZenWatch 3Remove Buy NowAsusVivoWatchRemove Buy NowFitbitAlta HRRemove Buy Now

Basic Info

Suggested Price$100$180$229$160$150
Release20162015201720182017

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days48 hours24 hours to 10 days7 days
Rechargeable

Compatibility

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

Connectivity

BluetoothYes
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a128 x 88400 x 400128 x 128128 x 36
Sizen/a0.73 inches1.39 inchesNA1.4 inches
Touchn/a
TypeLEDPMOLEDAMOLEDNAOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATMIP57IP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aAndroid Wear 2KoodOS
Apps
Music

All Wearables