Huawei Talkband B2 vs. Diesel On Full Guard vs. Fitbit Charge HR vs. Apple Watch Series 4 vs. Apple Watch 7

 
Talkband B2
On Full Guard
Charge HR
Watch Series 4
Watch 7
 HuaweiTalkband B2Remove Buy NowDieselOn Full GuardRemove Buy NowFitbitCharge HRRemove Buy NowAppleWatch Series 4Remove Buy NowAppleWatch 7Remove Buy Now

Basic Info

Suggested Price$180$325$150$329$429
Release20152017201520182021

Activity & Fitness

Calories
Cycling (Bicycling)
Distance
Heart
Oxygen
Sleep
Steps
Swim

Battery

Duration3 days1 day5 daysNot Yet18 Hours
Rechargeable

Compatibility

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

Connectivity

Bluetooth
Cellular
GPS
NFC
Wi-Fi

Display

Color
Resolution128 x 88454 x 454NA384 x 480396 x 484
Size0.73 inches1.4 inchesNA1.78 inches1.9 inches
TouchNA
TypePMOLEDOMOLEDOLEDMicroLEDMicroLED

Functions

Audio SpeakerBluetooth
Clock
Phone
Vibration
Voice

Hardware

Accelerometer
Barometer or Altimeter
Ultraviolet Sensor
Water ResistanceIP57IP671 ATMNot Yetwater resistant but not waterproof

Notifications

Phone
Emails
Texts

Software

Operating Systemn/aAndroid Wear 2.0NAWatch OS 5WatchOS 8
Apps
Music

All Wearables