The Logitech Cordless Keyboard Y-RAJ56A is a reliable and efficient keyboard set in black color with a QWERTY layout, perfect for standard use. Made of plastic, this Logitech keyboard offers features such as multimedia integration, portability, plug & play functionality, and quiet keys. With a PS/2 connectivity, this keyboard set includes an original receiver for easy connection. Ideal for English language users, this Logitech keyboard is a tested working product designed for comfort and convenience in a variety of settings. No batteries included. The actual keyboard is wireless, but needs the receiver to work with a laptop or desktop computer. Just plug in the receiver to the labtop or desktop and then connect them to use.