Huawei Talkband B2 vs. Sony SmartBand 2 vs. Casio WSD-F20A vs. Pebble Time 2 vs. Amazfit T-Rex

 
Talkband B2
SmartBand 2
WSD-F20A
Time 2
T-Rex
 HuaweiTalkband B2Remove Buy NowSonySmartBand 2Remove Buy NowCasioWSD-F20ARemove Buy NowPebbleTime 2Remove Buy NowAmazfitT-RexRemove Buy Now

Basic Info

Suggested Price$180$130$399$199$140
Release20152015201820162019

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days2 days1 day10 days20 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolution128 x 88n/a320 x 320NA360 x 360
Size0.73 inchesn/a1.32 inchesNA1.3 inches
Touchn/a
TypePMOLEDn/aLCDe-paperAMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP57IP585 ATM3 ATM5 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSPebble OSBuild-in
Apps
Music

All Wearables