Logitech Slim Wireless Keyboard and Mouse Combo MK470 - USB Wireless RF - USB Wireless RF - Optical - 1000 dpi - 3 Button - Scroll Wheel - Symmetrical - AAA, AA - Compatible with Desktop Computer, Notebook (Windows) Pack

Scroll wheel provides convenient and effortless navigation Offers plug and play interface Windows Using RF wireless connectivity you can control devices and play games from a far distance Features optical 1000 dpi resolution for silky prominent movement