Features: Experience the convenience of our mechanical key calculator, providing comfortable and smooth touches experience. Suitable for users of all backgrounds, our calculator is to meet the needs of various individuals. Whether you is in a professional setting, educational environment, traveling, our calculators small size allows for easy carrying and usage. Enhances your productivity with our calculators LCD display, ensuring clear of number. The design is exquisites and fashionable, with beautiful appearance, craft from quality plastic, showcasing a sense of quality. Comfortable to the touch, allowing you to feel superior quality during use Specifications: ABS Color:Black,Blue;(Optional) Size:Approx.151x118x38mm/5.98x4.65x1.51inch Package Includes: 1pc Calculator note: Please allow 1-2cm errors due to manual measurement,please make sure that you donot mind befores you order. Due to the differences between different monitors, the picture may not reflect the actual item color.