Sony LinkBuds S​

Sony LinkBuds S​
Security Grade C Calculator v1	Sony LinkBuds S​ Brand: Sony (Parent: Sony) Category: Headphone • Model / Gen: LinkBuds Series WF-LS900N Release Date: 2022-05-19 • Status: In sale Classification Date: 2025-10-17 • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	Rare	🔗 Proof
Known vulnerabilities	None	🔗 Proof
Prior attacks	None	🔗 Proof
Updatability	Very common	🔗 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	No encryption	🔗 Proof
Category Score	Score: 2 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Absent	[N/A 🔗 Proof]	Authentication and account management are offloaded to the connected phone and app.
Authentication	Basic	🔗 Proof
Brute-force protection	Absent	🔗 Proof
Event logging	Absent	[N/A 🔗 Proof]	The device lacks logging capabilities; auditing relies on the host device.
Passwords	Require change after setup	🔗 Proof
Category Score	Score: 3 / 3

Technical Specifications

Property	Details
Operating System & App	N/A (Companion App: Sound connect)
Hardware (CPU / GPU)	CPU: Integrated Processor V1 • GPU: N/A
Memory & Storage	Memory: N/A • Storage: N/A
Power, Battery & Charging	Battery: Earbuds: 25 mAh (each); Charging Case: 400 mAh • Power: N/A • Charging: USB-C
Display & Camera	Display: LED Indicator (on charging case) • Camera: N/A
Sound & Connectivity	Sound: Driver: 5mm dynamic driver; Noise Canceling: Yes, with Integrated Processor V1; High-Resolution Audio: Yes; Codecs: LDAC, AAC, SBC; Microphone: Yes; 3.5mm jack: No • Connectivity: Bluetooth 5.2
Physical (Dimensions & Mass)	Dimensions: 23.1*24.0*20.7mm • Mass: 4.8g*2