Improve Efficiency: The 23-key design is tailored for professionals in finance, banking, accounting, and other industries who need to input numbers frequently, helping you get more done with less effort. Reduced Fatigue: Compared to common numpad on the market, the LOONASA number keypad features a shorter travel distance and requires less force, making it easier for you to type without strain and enjoy the sensation of your fingers dancing. Excellent Feeling: The LOONASA numeric keypad uses the same keyboard technology as high-end laptops and is quality assured for the ultimate typing experience. Easy to Use: Plug & play, no need for any other software, just plug it in and use it. Universal use for all devices - computers, laptops, desktops, etc. (as long as there is a usb port) Durability & Warranty: Adopting wear-resistant and durable materials, the numeric keypad can still maintain its as-new look and feel even after a long time of use, and the use of clicks can be more than 5 million times. (Lifetime warranty, please contact us for any quality problems)