With the continuous changes in demand, projectors have become more intelligent and home-based. Emerging Internet brands have also launched their own household portable projection instruments. According to the characteristics of the consumer population of household projectors, Jiji Zou Industrial Design has designed this simple and powerful projection instrument. Adhering to the minimalist design, abandoning the traditional multi-key design, the commonly used operation keys are concentrated on the top disc, so that the product retains a strong integrated design.