The design is inspired by the biological modeling of cicadas. The design modeling technology is smooth. The surface material of the small sound box is made of plastic. The subwoofer is a student's work. Now it seems a little immature, but it is also a product of a stage. USB charging link, small sound box and subwoofer are all Bluetooth links, which can be combined in series or used alone. The use mode is to make the sound box move in combination when, get rid of the problem of complicated movement and inconvenience of traditional speaker lines.