| 摘要 |
PROBLEM TO BE SOLVED: To propose an earphone device capable of providing higher sound quality while ensuring well-fit.SOLUTION: The earphone device includes: a housing 5 which has a driver unit 12 therein; and a rubber ring 16 which has a first shape and a second shape enclosing the housing 5, in which the length from the inside to the outside of housing 5 is longer than that of the first shape.SELECTED DRAWING: Figure 4 |
