This design is a street atmosphere sound. Street culture is the representative of the trend, and technology is the general trend of the times. Therefore, this product is designed by the combination of street culture and technology. It is full of scientific and technological appearance and conforms to the pursuit of street cultural people. Convenient movement can make street culture lovers stop to express or express themselves at any time, the projection system at the bottom can be controlled by a mobile phone to project custom text or patterns to increase the atmosphere of the scene and create a good atmosphere for street culture lovers. (Concept works need to be improved, welcome guidance)