Fitbit Surge vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Asus VivoWatch vs. Casio WSD-F20A

 
Surge
Flex 2
Talkband B2
VivoWatch
WSD-F20A
 FitbitSurgeRemove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowAsusVivoWatchRemove Buy NowCasioWSD-F20ARemove Buy Now

Basic Info

Suggested Price$250$100$180$160$399
Release20162016201520182018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration7 days5 days3 days24 hours to 10 days1 day
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 88128 x 128320 x 320
Size1.26 inchesn/a0.73 inchesNA1.32 inches
Touchn/a
TypeMonochrome LCDLEDPMOLEDNALCD

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP57IP675 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aKoodOSWear OS
Apps
Music

All Wearables