The Logitech Advanced MK540 Keyboard Mouse Combo is a new, sealed wireless keyboard and mouse set designed for enhanced functionality. With a sleek black design and QWERTY layout, this combo includes three mouse buttons, a scroll wheel, and enhanced function keys. The mouse has a maximum DPI of 1000 and optical tracking method for precise navigation. The keyboard and mouse are lightweight at 1.7lbs and come with a wireless connectivity option for convenient use. Built by Logitech, this combo is a reliable choice for improved productivity and user experience.