Xiaomi Buds 4 Pro

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Xiaomi Buds 4 Pro
Security Grade
   
     A-
   
Calculator v1
Xiaomi Buds 4 Pro
   Brand: Xiaomi (Parent: Xiaomi Corporation)
   Category: rue Wireless Stereo (TWS) Earbuds • Model / Gen: 4 M2126E1
   Release Date: 2022-08-11 • Status: In sale
   Classification Date: 2025-10-16 • Official Website

Security Evaluation

1. Device Security

Criterion Value Proof Comment
Known hardware tampering Very common 🔗 Proof
Known vulnerabilities Rare —
Prior attacks None —
Updatability Very common —
Category Score Score: 2 / 3

2. System Security

Criterion Value Proof Comment
Authentication with other systems Full —
Communications Encrypted with up-to-date encryption —
Storage Encrypted with up-to-date encryption —
Category Score Score: 1 / 3

3. User Authentication

Criterion Value Proof Comment
Account management Full —
Authentication Secure —
Brute-force protection Basic —
Event logging Access event logged —
Passwords Require change after setup with complexity requirements —
Category Score Score: 2 / 3

Technical Specifications

Property Details
Operating System & App (Companion App: Xiaomi Earbuds)
Hardware (CPU / GPU) CPU: • GPU:
Memory & Storage Memory: • Storage:
Power, Battery & Charging Battery: Earbuds: 53mAh, Charging Case: 565mAh • Power: Earbuds Input: 5V-280mA, Charging Case Input: 5V-2.3A, Charging Case Output: 5V-560mA • Charging: Charging Port: Type-C"
Display & Camera Display: • Camera:
Sound & Connectivity Sound: Speaker Impedance: 16Ω • Connectivity: Wireless: Bluetooth® 5.3, Bluetooth Protocols: Bluetooth® Low Energy/HFP/A2DP/AVRCP, Range: 10m (unobstructed space)
Physical (Dimensions & Mass) Dimensions: 30.74mm*21.23mm*23.67mm • Mass: 39.5 grams (±1 gram)