Optimize your typing with this Logitech K400 Plus keyboard. A large 3.5-inch touchpad supports intuitive navigation and operation, letting you easily scroll over your favorite videos, browse the web or chat with your friends lag-free.Achieve freedom of motion while working at your PC with this black Logitech K400 Plus keyboard. The comfortable, quiet keys ensure silent operation to help you stay focused, while the Unifying receiver connects through a USB port, offering a wireless range of up to 33 feet to deliver reliable connection in spacious rooms. Built-in volume and arrow keys and double click buttons enable effortless control over key media functions for an immersive entertainment experience, and the compact, lightweight design is simple to handle, store and carry on the go.With 12 customizable F-keys, this keyboard allows personalization so you can set shortcuts to commonly used commands. A plug-and-play design allows immediate use, and an on/off switch lets you conserve power when not in use. This Logitech K400 Plus keyboard is compatible with Windows 7 and higher for seamless integration.