The overall element is based on the geometric cube, and the overall appearance is formed through the transition of rounded corners and curved surfaces. Redesign the arrangement through the function buttons, making the front look like a cute bear. The partial details draw on the retro elements of Volkswagen t1 car. In the design of the buttons, the size of the two buttons is designed, and the texture is processed differently to distinguish the functions while making it more layered and designed. Referring to similar products on the market, in order to design differentiation; The material avoids the traditional retro brass color, but uses a large number of silver metal and high-purity colors, making the whole look not too "ordinary" and more energetic.