| 摘要 |
A variable angle insert-ear earphone apparatus includes an insert-ear cavity bar and an earplug body (1), the earplug body (1) is provided for containing a sound generator, wherein, a coupling element is set between the insert-ear cavity bar and the earplug body (1), and the coupling element is provided for adjusting the angle of the insert-ear cavity bar randomly when it is inserted into ears. As the coupling element set between the insert-ear cavity bar and the earplug body (1) is applied on the earphone apparatus, the angle of the insert-ear cavity bar can be adjusted according to the coupling element when it is inserted into the ear, it is comfortable for users. |
