The unique-as-you mouse with smooth scrolling. It stands out from the crowd thanks to its unique shape and vivid pops of color. Textured rubber grips make it comfy, too. The precision scroll wheel plus smooth scrolling software makes surfing easier, while Logitech advanced optical tracking gives you precise clicking and pointing on just about any surface without a mouse pad. The tiny Logitech Unifying receiver stays in your laptop and lets you add up to five more compatible wireless keyboards or mice - without the hassle of multiple USB receivers. And with up to 18 months of battery life, it virtually eliminates the hassle of changing batteries.