HUAWEI FreeBuds 4i
From Wiki-IoT
| HUAWEI FreeBuds 4i | ||
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Security Grade
Calculator v1
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HUAWEI FreeBuds 4i
Category: Earphone • Model / Gen: 4 FreeBuds 4i Release Date: 2021-02-22 • Status: In sale Classification Date: 2024-10-28 • Official Website | |
Contents
Security Evaluation
1. Device Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Known hardware tampering | None | 🔗 Proof | |
| Known vulnerabilities | Rare | 🔗 Proof | |
| Prior attacks | Rare | 🔗 Proof | |
| Updatability | Rare | 🔗 Proof | |
| Category Score | Score: 2 / 3 | ||
2. System Security
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Authentication with other systems | Full | 🔗 Proof | |
| Communications | Encrypted with up-to-date encryption | 🔗 Proof | |
| Storage | Encrypted with up-to-date encryption | 🔗 Proof | |
| Category Score | Score: 1 / 3 | ||
3. User Authentication
| Criterion | Value | Proof | Comment |
|---|---|---|---|
| Account management | Full | 🔗 Proof | |
| Authentication | Secure | 🔗 Proof | |
| Brute-force protection | Exist | 🔗 Proof | |
| Event logging | Access event logged | 🔗 Proof | |
| Passwords | Require change after setup with complexity requirements | 🔗 Proof | |
| Category Score | Score: 1 / 3 | ||
Technical Specifications
| Property | Details |
|---|---|
| Operating System & App | unknown (Companion App: HUAWEI AI Life) |
| Hardware (CPU / GPU) | CPU: BES2500Z chip • GPU: No specific information |
| Memory & Storage | Memory: No specific information • Storage: Each earbud has a 55mAh battery, and the charging case has a 215mAh battery. |
| Power, Battery & Charging | 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 & Camera | Display: The FreeBuds 4i does not have a display. • Camera: There is no camera on the FreeBuds 4i. |
| Sound & Connectivity | 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. |
| Physical (Dimensions & Mass) | Dimensions: 68 x 54.5 x 24.9 mm • Mass: great |
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.
