With its contoured shape soft rubber grips and handy controls this full-size wireless laser mouse delivers the comfort and control you need to do more more easily.ontoured designDesigned to keep either hand happy. Soft side grips and a comfortable shapeso youll feel good even after long hours of use.Back/Forward buttonsMoving quickly through documents or browsing your favorite Web sites is a breeze especially for right-handers with buttons conveniently located under your thumb.Side-to-side scrolling plus zoomThe power is in your hands. You can scroll side-to-side in documents or zoom in and out of photos and spreadsheets with a flick of your finger.Programmable controlsYou can configure the controls to make them to do exactly what you want like switching applications opening browser windows or jump to full screen while watching videos.Two-year battery lifeIt practically eliminates battery hassles. An On/Off switch and smart sleep mode extend battery life while an indicator light eliminates surprises.Logitech Unifying receiverThe tiny receiver stays in your laptop. Plus you can easily add a compatible wireless mouse or keyboardwithout the hassle of multiple USB receivers.Laser trackingLaser precision means youll enjoy smoother tracking on just about any surface.