| 摘要 |
The present invention relates to an external noise adjusting kernel earphone allowing a user to selectively block or let in external noise through an opening formed on a kernel part to prevent accidents. The external noise adjusting kernel earphone according to the present invention comprises a case including a speaker converting an electrical signal into a sound and outputting the sound; a kernel part fixed on ones side of the case, forming at least one opening on the outer circumferential surface, and delivering the sound output from the speaker to the ear of a user; a noise adjusting part inserted into the outer circumferential surface of the kernel part and moved for the opening to be sealed or opened; and an ear cap fixed on one side of the kernel part and inserted into the ear of the user. |
