The black screen is used to display information more clearly and clearly. The buttons often used are designed in the most convenient place for users to use which not only enhances the user experience but also establishes a strong affinity between products and users.
Product
收银机 设计简洁，黑色屏幕用以更清晰明了地显示信息，而经常使用的按钮则设计在用户使用最方便的地方，既增强了用户体验，又在产品和用户之间建立了强大的亲和力。
