| 摘要 |
Described herein is a case for holding a plurality of items arranged in an ordered fashion. The case includes a structure having a cavity, the structure having thin walls and being lightweight; a plurality of the items to be disposed in the cavity; and a flat speaker comprising a speaker frame and a speaker, the speaker frame supporting the speaker, the speaker housing being attached to a wall of the structure and extending from outside the wall into the cavity, wherein the speaker is disposed at an area of the wall that does not interfere with the arrangement of items in the cavity.
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