Enjoy a cable-free workspace with this complete wireless system that requires only one USB port. Reliable RF wireless technology provides secure, interference-free performance. Three-button optical mouse with scroll wheel performs on-screen navigation tasks smoothly and accurately. Stylish keyboard includes 18 quick-access keys, offering convenient one-touch control of multimedia functions as well as Internet and software applications. Ergonomic palm rest helps users avoid hand and wrist discomfort. For Device Type: Computer; Maximum Wireless Range: 6 ft; Connector/Port/Interface: USB; Wired/Wireless: Wireless.