Fitbit Flex 2 vs. Fitbit One vs. Huawei Talkband B2 vs. Fitbit Charge 3 vs. Fitbit Flex

 
Flex 2
One
Talkband B2
Charge 3
Flex
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowHuaweiTalkband B2Remove Buy NowFitbitCharge 3Remove Buy NowFitbitFlexRemove Buy Now

Basic Info

Suggested Price$100$100$180$150$100
Release20162012201520182013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days3 days7 days5 days
Rechargeable

Compatibility

Android
iOS
Windows Phonen/an/an/aNA
Macn/a
Windowsn/aNot yet

Connectivity

Bluetooth
Cellular
GPS
NFCNA
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 8866 x 18NA
Sizen/an/a0.73 inches.721 inchesNA
Touchn/aNA
TypeLEDOLEDPMOLEDOLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMSplast ResistantIP575 ATM1 ATM

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables