<ul><li>Micro-precise scrolling</li><li>Comfortable contoured design</li><li>Long battery life</li><li>Logitech unifying nano-receiver</li><li>Logitech advanced 2.4 GHz wireless</li><li>Logitech advanced optical tracking</li><li>Logitech reliability</li><li>Perfect for laptops and netbooks</li></ul> A wireless mouse delivers a better mix of precision and comfort - with designed-for-web scrolling. 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 shape in the world.<br /><br /><p> </p>