With this left-handed and right-handed mouse, you can work comfortably all day long. Movable in every way With fluid, responsive optical tracking, you have everything under control and the cursor moves exactly when you want it to. This plug and play mouse is easy to set up. Just plug it into the USB port and you're good to go. Thanks... to its comfortable and flat shape, the mouse lies comfortably in both hands - even when used for a long time. Thanks to fluid and precise control of the mouse pointer, you can edit documents and navigate the Internet more efficiently. Ready to use right away: Simply plug the mouse into a USB port and you're good to go. This mouse combines the entire experience in quality and design from more than a billion mice. That's more mice than any other manufacturer ever made. "