This wireless keyboard and mouse set features silent keys and buttons, allowing you to work without disturbing those around you. The adjustable cursor speed (800-1600 DPI) helps you find the perfect speed for your work. The low-profile keys and adjustable typing angle ensure all-day comfort without pain. The set is completely wireless, with a convenient USB receiver that is magnetic and storable inside the keyboard. Simply plug it into your laptop or PC, and you're good to go. The set includes a keyboard, mouse, USB receiver, and 3 batteries (2 x AAA and 1 x AA).