Sony Group Corporation
Earphone device

Last updated:

Abstract:

An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing.

Status:
Grant
Type:

Utility

Filling date:

18 Dec 2017

Issue date:

28 Jun 2022