Fitbit Flex 2 vs. Garmin Vivosmart HR vs. Huawei Talkband B2 vs. Fitbit Flex vs. HTC re Grip

 
Flex 2
Vivosmart HR
Talkband B2
Flex
re Grip
 FitbitFlex 2Remove Buy NowGarminVivosmart HRRemove Buy NowHuaweiTalkband B2Remove Buy NowFitbitFlexRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$100$170$180$100$199
Release20162015201520132020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration5 days5 days3 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Colorn/a
Resolutionn/a160 x 68128 x 88NA160 x 32
Sizen/a1.08 inches0.73 inchesNA1.8 inches
Touchn/aNA
TypeLEDn/aPMOLEDLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water Resistance5 ATM5 ATMIP571 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/an/an/aNANA
Apps
Music

All Wearables