Huawei Talkband B2 vs. Casio G-Shock GBA800 vs. Garmin 645 Music vs. Fitbit Charge HR vs. HTC re Grip

 
Talkband B2
G-Shock GBA800
645 Music
Charge HR
re Grip
 HuaweiTalkband B2Remove Buy NowCasioG-Shock GBA800Remove Buy NowGarmin645 MusicRemove Buy NowFitbitCharge HRRemove Buy NowHTCre GripRemove Buy Now

Basic Info

Suggested Price$180$120$450$150$199
Release20152018201820152020

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days2 years7 days5 days5 hours to 2.5 days
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88240 x 240NA160 x 32
Size0.73 inches1.2 inchesNA1.8 inches
TouchNA
TypePMOLEDMIPOLEDPMOLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP5720 ATM5 ATM1 ATMIP57

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aNANA
Apps
Music

All Wearables