What kind of ppt page turning pen belongs to?

Belonging to the category of office equipment/stationery.

The reason why PPT page-turning pen belongs to the category of office equipment/stationery is that it is a kind of equipment specially used to control PPT page-turning, which belongs to office equipment. At the same time, it is also a stationery, because it can be used for writing, painting and other cultural activities.

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