If you like to use 2 computers simultaneously but you only want to use 1 keyboard and 1 mouse doing this, the Conceptronic 4-in-1 Sharing Cable USB is your solution! Besides sharing your keyboard and mouse you can easily share documents, your optical drive and/or copy data by dragging and dropping them from one computer to the other.- Share your keyboard and mouse between 2 computers- Install e.g. programs and/or drivers on computers without a built-in optical drive- Drag and drop files/folders between 2 computers- Share your clipboard between 2 computers