Sponge noise-reducing earplug

Abstract

1. The name of the design product: sponge noise reduction shell earplug. 2. The use of the design product: for plugging into the ear canal to reduce noise, the rear end of the sponge earplug 1 is plugged into the noise reduction shell 2, and the front end is plugged into the ear canal. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.

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