Fitbit Charge 2 vs. Fitbit Flex 2 vs. Huawei Talkband B2 vs. Polar M430 vs. Asus VivoWatch

 
Charge 2
Flex 2
Talkband B2
M430
VivoWatch
 FitbitCharge 2Remove Buy NowFitbitFlex 2Remove Buy NowHuaweiTalkband B2Remove Buy NowPolarM430Remove Buy NowAsusVivoWatchRemove Buy Now

Basic Info

Suggested Price$150$100$180$255$160
Release20162016201520172018

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 days30 hours24 hours to 10 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/an/a128 x 88128x128128 x 128
Sizen/an/a0.73 inches1.4 inchNA
Touchn/an/a
TypeOLEDLEDPMOLEDLCDNA

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or AltimeterNA
Ultraviolet Sensor
Water Resistancen/a5 ATMIP57WR30IP67

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aKoodOS
Apps
Music

All Wearables