Fitbit Flex 2 vs. Fitbit One vs. Huawei Talkband B2 vs. Amazfit Stratos vs. Fitbit Charge

 
Flex 2
One
Talkband B2
Stratos
Charge
 FitbitFlex 2Remove Buy NowFitbitOneRemove Buy NowHuaweiTalkband B2Remove Buy NowAmazfitStratosRemove Buy NowFitbitChargeRemove Buy Now

Basic Info

Suggested Price$100$100$180$199$130
Release20162012201520182014

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days10-14 days3 days5 days7-10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 88320 x 300NA
Sizen/an/a0.73 inches1.34 inchesNA
Touchn/aNA
TypeLEDOLEDPMOLEDOLEDOLED

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/aProprietaryNA
Apps
Music

All Wearables