以苹果电脑finder文件夹造型为基准设计的SD卡收纳盒，使用直径6mm，厚度2mm圆形磁铁磁吸固定。

The SD card storage box is designed based on the shape of the Finder folder on an Apple computer, and is fixed with a circular magnet with a diameter of 6mm and a thickness of 2mm。