Abstract: A holographic image viewer for small and medium-sized media devices whose inventive concept lies in its portability, providing viewing of holographic moving images (the 3-D ones according to the incidence of light on the image) generated by any type of video player such as a smartphone, tablet, notebook, LED and LCD monitor. It provides complementary protection for these mobile devices and, as the main property of said device is its portability, it can be used individually and relies on low cost manufacturing technology.