The medium-free holographic iceberg table is equipped with the medium-free holographic technology developed by XHOLO，which intuitively displays complex information and three-dimensional images on the desktop. When a specific content card is inserted into it, the table pendulum is immediately activated and awakened, and the intelligent voice explanation function is turned on simultaneously, so as to display the connotation and essence of the content in depth with clear, accurate and emotional voice output, and realize the dual information transmission of visual and auditory. The product can customize diversified content according to the needs of different scenarios, bringing users a naked-eye 3D visual perception and immersive experience.