KM1 Wireless Keyboard and Mouse For an efficient, streamlined workspace, upgrade your home office with this wireless keyboard and mouse. Simply plug the included USB dongle into your desktop or laptop and get to work. One USB Plug: Simultaneously runs both the mouse and keyboard. Silent Keys: Let your fingers glide over the smooth keys. Modern Design: Looks great everywhere. Simple: Plug & play connectivity. Keyboard: requires 1 AAA battery, not included Approximate measurements: Keyboard 17.5" x 7" x 1"; Mouse 2.5" x 4.5" x 1"