Sony Float Run

Sony Float Run

Security Grade D Calculator v1

Sony Float Run Open-Ear Bone Conduction Sports Wireless Headphones Brand: SONY (Parent: Sony Group Corporation) Category: Headphones • Model / Gen: Entry-level to mid-range bone conduction sports headphones (sports-oriented iterative product of Sony Float series) Float Run (Unified global main model; some regional versions have color suffixes such as Float Run/BLK (black), Float Run/WHT (white)) Release Date: 2023-09-01 • Status: In sale Classification Date: 2025-10-16 • Official Website

Security Evaluation

1. Device Security

Criterion	Value	Proof	Comment
Known hardware tampering	None	🔗 Proof	The hardware adopts a dedicated integrated design for bone conduction, with the driver unit tightly bound to the motherboard. Unauthorized disassembly easily causes permanent functional failure. No public cases of hardware tampering.
Known vulnerabilities	None	🔗 Proof	Functions focus on audio playback in sports scenes, with an extremely narrow attack surface. No public security vulnerability records as of May 2024.
Prior attacks	None	🔗 Proof	No sensitive data storage or independent system, with no malicious attack value. No public attack incidents targeting this device.
Updatability	Rare	🔗 Proof	Firmware updates are only pushed via the "Sony Headphones Connect" app. The update frequency is low (mainly stability fixes during the lifecycle, with no frequent function updates).
Category Score	Score: 2 / 3

2. System Security

Criterion	Value	Proof	Comment
Authentication with other systems	No	🔗 Proof	Only supports Bluetooth/NFC pairing connection, with no identity authentication interaction functions across devices (e.g., mobile phones, sports watches). Pairing does not require complex verification.
Communications	Encrypted with up-to-date encryption	🔗 Proof	Bluetooth 5.3 connection uses AES-128 encryption algorithm, complying with current Bluetooth device security standards, with no outdated encryption protocols.
Storage	No encryption	🔗 Proof	Only stores firmware and basic configuration data, with no user privacy or sensitive information. The official has not designed storage encryption functions, and there is no need for encryption.
Category Score	Score: 3 / 3

3. User Authentication

Criterion	Value	Proof	Comment
Account management	Absent	🔗 Proof	No user account registration or binding required for full functionality. No account creation, modification, or permission management modules.
Authentication	Basic	🔗 Proof	Only a default PIN code (e.g., 0000) may be required for Bluetooth pairing. No biometric, independent password, or other complex authentication methods.
Brute-force protection	Absent	🔗 Proof	No password input scenario or sensitive operation verification link, so there is no brute-force cracking risk and thus no protection mechanism.
Event logging	Absent	🔗 Proof	No ability to store or export operation logs (e.g., connection records, sports audio usage records, firmware update records).
Passwords	Default/Common/Easy to guess	🔗 Proof	The default PIN code for Bluetooth pairing is a common simple password, with no password complexity requirements and no mechanism to force modification of the default password.
Category Score	Score: 3 / 3

Technical Specifications

Property	Details
Operating System & App	None (Companion App: Sony)
Hardware (CPU / GPU)	CPU: Integrated audio and connection processing chip (Responsible for Bluetooth communication, bone conduction audio driving, and sports scene function control; no independent general-purpose CPU) • GPU: None
Memory & Storage	Memory: Built-in embedded cache (Used for storing firmware programs and temporary running data; capacity not disclosed; non-user-accessible/expandable module) • Storage: No user-expandable storage; only built-in minimal-capacity firmware storage chip (Used only for storing basic device programs and configuration data; no user personal data storage function)
Power, Battery & Charging	Battery: Built-in lithium-ion rechargeable battery, approx. 165 mAh; Battery life: approx. 8 hours (Bluetooth connection + medium volume, in sports mode); Fast charging supports "10-minute charge for 1 hour of use" • Power: Input specification: 5V DC 0.5A (Compatible with standard USB-C chargers) • Charging: USB Type-C port charging; Full charge takes approx. 1.5 hours; Supports fast charging function
Display & Camera	Display: None (No physical display; single-color LED indicator on the body shows power, Bluetooth connection, charging status, and firmware update progress) • Camera: None
Sound & Connectivity	Sound: Bone conduction driver unit (open ear canal design); Supports SBC, AAC audio coding; Frequency response range: 20 Hz - 20 kHz; Built-in dual microphones (supports ambient sound pickup and call noise cancellation); IPX7 water and sweat resistance (suitable for sports scenes) • Connectivity: Bluetooth 5.3 (Supports A2DP, AVRCP, HFP, HSP Bluetooth protocols, with improved connection stability); NFC (Near Field Communication for quick device pairing); Supports simultaneous dual-device connection (switchable audio source)
Physical (Dimensions & Mass)	Dimensions: Approximately 183 × 162 × 53 mm (Overall body size; fits head circumference 53-62cm) • Mass: Approximately 28 g