Comfort and control that goes with you wherever your laptop goes Just because you want style doesn't mean you have to compromise on substance. Ergonomic design with soft rubber grips: increases your comfort with non-slip rubber side panels that also adds control. A ridged wheel provides a better grip for scrolling. And the ambidextrous design will fit either hand comfortably. Plug and play simplicity Extended battery life: enjoy up to 6 months of battery life (and longer with automatic on/off). The convenient LED battery level indicator lets you know when batteries are low. Easy transport: when you're ready to hit the road, the USB mini-receiver snaps easily into the mouse for easy transport. Performance High-definition optical technology: the 1000-dpi optical sensor makes the Logitech V220 Cordless Optical Mouse two and a half times more responsive than standard optical mice. Side-to-side scrolling plus zoom: perfect for viewing digital photos and spreadsheets. You can instantly zoom in and out, scroll h Type: Input Device / Wireless Mouse / Mouse