Features: 1.[Innovative Design]: The calculator combines colorful keycaps with a mechanical keyboard, adding a personalized touch to any office or desk, enhances the style and uniqueness of your work and study. 2.[Durable Material]: Utilizing mechanical keyboard technology, the calculator provides a stable and satisfying typing experience with long lasting durability. 3.[Multifunctional]: The calculator can also serve as a standard keyboard for desktop computers, making it suitable for both office and educational settings and meets various needs. 4.[Efficient Computing]: With a numeric keypad and scientific calculation functions, the calculator offers a quick and accurate computing experience, ensuring efficiency in your work or studies. 5.[Attention to Detail]: The calculator is designed with meticulous attention to detail, with exquisite appearance, comfortable key feel, and spill resistant design. specification:Item Type: Calculator Material: ABS Battery Type: 1 x AAA Battery (shipped without battery) PackageList:1 x Calculator