The Genius KB600 is a combo set of a wireless keyboard and mouse. With a 27 MHz radio frequency, you can conveniently connect the devices with the system using USB ports. The keypad includes 12 hot keys that facilitate easy access to the frequently-used multimedia as well as internet applications. The mouse that has been designed to provide a handy holding experience to the user, actually have an 800dpi optical engine that repels the accumulation of dust particles on it. Moreover, you could use this hardware with computers having Windows 7 / Vista / XP operating systems. The cordless feature indeed provides a tangle-free usage.