ASUS ZenWatch 2 vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Sony SmartBand vs. Amazfit T-Rex

 
ZenWatch 2
Flex 2
Talkband B2
SmartBand
T-Rex
 ASUSZenWatch 2Remove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowSonySmartBandRemove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$150$100$180$100$140
Release20162016201520142019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Durationn/a5 days3 days5 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/aNA
Resolution320 x 320n/a128 x 88NA360 x 360
Size1.63 inches or 1.45 inchn/a0.73 inchesNA1.3 inches
Touchn/aNA
TypeAMOLEDLEDPMOLEDNAAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP675 ATMIP57IP585 ATM

Notifications

Phone
Emailsn/a
Textsn/a

Software

Operating SystemAndroid Wearn/an/aNABuild-in
Apps
Music

All Wearables