Arabic/English Layout of the Logitech MK540 Wireless Keyboard and Mouse Unifying USB-Receiver: Logitech MK540 Wireless Keyboard Mouse The MK540 Advanced is a wireless keyboard and mouse set that is instantly recognizable and designed for accuracy, comfort, and dependability. The full-size keyboard has recognizable key sizes, shapes, and feels, and the ambidextrous, contoured mouse is made to