The Totu Type C Earphone EAUA021 is designed with a wired structure for connection through a Type-C interface. The earphone includes a digital decoder chip that supports sound processing and audio output. The design focuses on delivering consistent wired audio performance. The earphone includes a built-in in-line microphone that supports media playback and call handling. The ergonomic half in-ear design supports comfort during extended listening sessions. The structure focuses on usability and convenience. The earphone supports both communication and audio playback needs. The wired format ensures stable connectivity. These features contribute to a consistent listening experience.