Wireless desktop set provides everything you need to improve your productivity. A thin membrane around the keyboard & underneath the keys ensures that any accidental liquid spills won't damage the electronics & can be simply wiped dry. The two-button, scroll wheel mouse features a high-definition, 1200 dpi sensor for precise control. Plus, it features an ambidextrous design to give both right-handed & left-handed users the freedom to get the most out of the mouse. Full-size keyboard provides a familiar layout for maximum productivity. A compact nano receiver provides the ultimate freedom & mobility for your keyboard & mouse while keeping your desktop free from clutter. Plug-and-play technology lets you simply insert the USB receiver into your computer for virtually immediate use. Desktop set is compatible with Windows 8.1, 8 & 7 operating systems.