Say good-bye to the tricky touchpad. Micro-precise scrolling makes everything you love to do online easier. Treat your hand to the comfy, contoured shape and soft rubber grips of the best-selling shape in the world. You pop the tiny Logitech Unifying receiver in your notebook and leave it there. You can even add more devices. Plug it. Forget it. Add to it. Learn more about the Logitech Unifying receiver.