Features: Experience fast responsing and smooth typing with the 19 key mechanical numeric keyboard This keyboard ensures accurate keystrokes, perfect for gamers and office workers alike. Suitable for frequent users of numeric keys, such as gamers, programmers, and office professional, who demand precisions and efficiency in their work. Enhancer your gaming experience, programming development, and office tasks with portable keyboard. Enjoy improved input efficiency operational. The keyboard uses USB to connection to the computer, plug and play not require a driver Specifications: Component:Plastic Size:Approx.12.3x8.3cm/4.84x3.26inch Package Includes: 1Pc Numeric Keypad note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.