Skyworth projector is developed with ultra-short focal projection, and it is a set-top box and a projetor. Compared to conventional projector, it is more space-saving with easy installation. Ultra short focus projector itself depends on the projection plane, so the use of the unique "C" shape allows users to make products and the projection surfacerelative easily, at the same time the round shape audio system allows users enjoy high quality sound while enjoying vision .