With the design concept of always paying attention to the needs of users, we run through the three aspects of humanization, caring for children and left-handers throughout the entire product design process, and inherit Dieter Rams' design concept of 1. Main unit: It adopts an extremely smooth surface design and simple lines, which can fit the palms of men, women and children. Opener: Equipped with three types of openers, L\M\S, with rounded edges, suitable for extreme Most people 2. The whole product has only one button, which can be connected to the mobile phone, and the mouth pictures can be viewed in real time on the mobile phone 3. The three mouthpieces are shaped through a large number of sample models, which can fit the mouth well without harming the gums 4. Through one body Snap-on assembly method, smooth surface and no screws, convenient for installation and maintenance1 Minimalist appearance design: It adopts an extremely smooth surface design and simple lines, which can fit the curvature of the palms of men, women and children, without redundant decorations and complicated structures. 2. This design shows the most typical minimalist aesthetics in modern industrial design. The simple and elegant design language not only meets the current consumers' pursuit of clean and simple appearance, but also is easier to be accepted by the public.The parts in contact with the mouth are made of food-grade silicone and PP material. When placed in the mouth, the mouth will not touch the body parts other than the mouthpiece