| 摘要 |
An exemplary earphone set includes a shell, a speaker received in the shell, and an in-ear cap and an in-concha cap. The shell includes a sound tube having a first locking structure formed on an outer circumferential wall thereof. Each of the in-ear cap and the in-concha cap includes an inner tube having a second locking structure formed on an inner circumferential wall thereof, and a casing extending from a front end of the inner tube towards the shell. The first locking structure is detachably lockable with the second locking structure of one of the in-ear cap and the in-concha cap as selected by a user. |
