Classification
| HUAWEI FreeBuds 4i
|
| Classification
|
| Grade
|
A
|
| Calculator version
|
1
|
| Classification date
|
2024-10-28
|
| Information
|
| Name
|
HUAWEI FreeBuds 4i
|
| Brand by Parent
|
HUAWEI by HUAWEI
|
| Generation
|
4
|
| Model(s)
|
FreeBuds 4i
|
| Release date
|
2021-02-22
|
| Type/Category
|
Earphone
|
| Website
|
[1]
|
| Status
|
In sale
|
| More
|
| Dimensions
|
68 x 54.5 x 24.9 mm
|
| Mass
|
great
|
| Operating system
|
unknown
|
| Companion App
|
HUAWEI AI Life
|
| CPU
|
BES2500Z chip
|
| GPU
|
No specific information
|
| Memory
|
No specific information
|
| Storage
|
Each earbud has a 55mAh battery, and the charging case has a 215mAh battery.
|
| Battery
|
No specific information
|
| Power
|
The power consumption details are not specified.
|
| Charging
|
The FreeBuds 4i supports wired charging via a USB Type-C port. The charging case can be charged using a charger, power bank, or computer with a USB Type-C cable. The earbuds charge automatically when placed in the case. Wireless charging is not supported.
|
| Display
|
The FreeBuds 4i does not have a display.
|
| Camera
|
There is no camera on the FreeBuds 4i.
|
| Sound
|
The earbuds feature a polymer diaphragm and a 10mm dynamic driver for clear audio quality. They support active noise cancellation with three modes: noise cancellation, off, and environmental sound transmission.
|
| Connectivity
|
The FreeBuds 4i supports Bluetooth 5.2 and can connect to any device that supports Bluetooth. It uses dual-microphone beamforming technology for call noise reduction to reduce wind noise.
|
| Device
|
| Criterion
|
Value
|
Proof(s)
|
Comment
|
| Known hardware tampering
|
None
|
[2]
|
|
| Known vulnerabilities
|
Rare
|
[3]
|
|
| Prior attacks
|
Rare
|
[4]
|
|
| Updatability
|
Rare
|
[5]
|
|
| Category score
|
2
|
| System
|
| Criterion
|
Value
|
Proof(s)
|
Comment
|
| Authentication with other systems
|
Full
|
[6]
|
|
| Communications
|
Encrypted with up-to-date encryption
|
[7]
|
|
| Storage
|
Encrypted with up-to-date encryption
|
[8]
|
|
| Category score
|
1
|
| User Authentication
|
| Criterion
|
Value
|
Proof(s)
|
Comment
|
| Account management
|
Full
|
[9]
|
|
| Authentication
|
Secure
|
[10]
|
|
| Brute-force protection
|
Exist
|
[11]
|
|
| Event logging
|
Access event logged
|
[12]
|
|
| Passwords
|
Require change after setup with complexity requirements
|
[13]
|
|
| Category score
|
1
|
The FreeBuds 4i feature active noise cancellation to reduce ambient noise, allowing you to focus on your audio content. This is particularly useful in noisy environments like public transportation.
