Fitbit Flex 2 vs. Huawei Talkband B2 vs. Withings Go vs. Fitbit Charge vs. Polar Loop

 
Flex 2
Talkband B2
Go
Charge
Loop
 FitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowWithingsGoRemove Buy NowFitbitChargeRemove Buy NowPolarLoopRemove Buy Now

Basic Info

Suggested Price$100$180$80$130$100
Release20162015201620142013

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days3 days8 months7-10 days5 days
Rechargeable

Compatibility

Androidn/a
iOSn/a
Windows Phonen/an/an/aNANA
Macn/an/aNA
Windowsn/an/aNA

Connectivity

Bluetoothn/a
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/an/a
Resolutionn/a128 x 88n/aNANA
Sizen/a0.73 inchesn/aNANA
Touchn/an/aNA
TypeLEDPMOLEDE-InkOLEDLED

Functions

Audio SpeakerBluetooth
Clock
Phonen/a
Vibrationn/a
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATMIP575 ATM1 ATM2 ATM

Notifications

Phonen/a
Emailsn/a
Textsn/a

Software

Operating Systemn/an/an/aNANA
Appsn/a
Music

All Wearables