The Logitech K400 is a wireless keyboard designed to simplify navigation and control for users operating a PC-to-TV setup. Purpose-built for business environments where multimedia access and remote interaction are key, the Logitech K400 combines a compact keyboard with a responsive built-in touchpad, removing the need for a separate mouse. This makes it well suited for professional settings that involve digital signage, presentations, video conferencing, or media playback across a distance. The Logitech K400 supports a wide wireless range of over 10 metres via the Logitech Unifying protocol, ensuring reliable operation even in larger meeting spaces or open areas. Compatible with Windows, Android, and ChromeOS systems, the keyboard offers plug-and-play functionality through a standard USB receiver. With an 18-month battery life and durable key construction rated for up to five million keystrokes, the Logitech K400 is designed for longevity and efficiency. It provides access to frequently used media and system commands via dedicated hotkeys, enhancing productivity during media-rich tasks. Its low-noise keys support quiet operation, making it ideal for shared workspaces and collaborative environments. The Logitech K400 is a practical solution for professionals seeking reliable wireless control of media and computing devices from a distance.