The HP 450 Programmable Wireless Keyboard is a versatile peripheral designed to streamline your workflow through a wireless 2.4 GHz connection via a USB RF receiver. It features a membrane mechanism with a 2.0 mm key travel, providing a consistent feel for daily typing tasks. To help you personalize your experience, more than 20 keys can be programmed using the HP Accessory Center, allowing you to map shortcuts and functions that suit your specific needs. Its black chassis measures 428.22 x 115.47 x 18.06 mm and includes contoured keycaps for a more natural finger placement. You can adjust the typing angle up to 6 degrees using the integrated legs, while the combined Multimedia and Fn keys offer quick access to common system controls. Powered by two AAA batteries, this keyboard is built for longevity with a battery life that extends over 20 months, making it a reliable choice for professionals who prefer a clutter-free desk.