I also enjoy using new clothes for the first time, but I prefer buying other stuff like electronic devices or that sort of thing.

that 是指示代词，指代前面提到的"电子设备"这类物品。 sort 是名词，意思是"种类、类别"。 of 是介词，表示所属关系。 thing 是名词，意思是"东西、物品"。 that sort of thing 是一个固定短语，意思是"诸如此类的东西"，用来泛指前面提到的同类事物。