The Logitech MK270 Wireless Combo Keyboard/Mouse USB Black (920-004536) is a set of four wireless keyboards and mice from the trusted brand Logitech. Each device has a standard QWERTY layout, English language, and black color. The connectivity is wireless, making it convenient for users to work or play without being tangled by cords. This combo set is a reliable option for those in need of a basic and efficient keyboard and mouse setup.