Author : Wang Wei Affiliation : Independent Researcher Received 20 May 2025; Revised 5 July 2025; Accepted 15 July 2025; Available online 4 August 2025; Version of Record 4 August 2025. Abstract Earable technologies represent a rapidly advancing category within wearable systems, moving beyond conventional audio functions toward integrated platforms for biosensing, contextual intelligence, and real-time human-computer interaction. Positioned in or around the ear, these compact