Features: Experience fast response and smooth quiet typing with the 35 key numeric keyboard With independent key and impact resistance technology, this keyboard ensures accurate and reliable keystrokes, perfect for gamers and office workers alike. Suitable for frequent users of numeric key, such as gamers, programmers, and office professionals, who demand precisions and efficiency in their work. Enhancer your gaming experience, programming development, and office tasks with portable keyboard. Take it anywhere and enjoy improved input efficiency operation. Plug and play not require a driver Specifications: Component:ABS Color:Silver White/Silver Gray Number of keys: 35 keys Battery capacity: 400mA Battery life: 80h Working frequency: 2.402-2.480GHz Size:Approx.20x13x3cm/7.87x5.12x1.18inch 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.