| 摘要 |
<p>Disclosed in the present invention is a portable piezoelectric speaker comprising a body which can be combined with and separated from the rear side of an electronic device; and a piezoelectric module coupled with a predetermined area of the body, wherein the piezoelectric speaker module comprises a piezoelectric device and a vibration delivery body in contact with at least one area of the piezoelectric device and separated from at least one side of the piezoelectric device.</p> |
