Fitbit One vs. Huawei Talkband B2 vs. Casio WSD-F20A vs. Fitbit Flex vs. HTC re Grip

 
One
Talkband B2
WSD-F20A
Flex
re Grip
 FitbitOneRemove Buy NowHuaweiTalkband B2Remove Buy NowCasioWSD-F20ARemove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$180$399$100$199
Release20122015201820132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration10-14 days3 days1 day5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolutionn/a128 x 88320 x 320NA160 x 32
Sizen/a0.73 inches1.32 inchesNA1.8 inches
TouchNA
TypeOLEDPMOLEDLCDLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceSplast ResistantIP575 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/aWear OSNANA
Apps
Music

All Wearables