The Logitech M590 Wireless Mouse is wireless. Wireless Logitech M590 Mouse M590 is built to perform, and it is powerful, precise, and silent. The curved, right-handed form allows you to work comfortably for hours, while the small design and up to two years of battery life let you carry your work wherever you go. The five configurable buttons and multi-device flow increase productivity quietly, due to a 90% reduction in clicking noises. That means complete concentration for you and a calmer atmosphere for others around you. Stay focused on your job without being distracted by noise. When comparing the Logitech M590 with Logitech M170, Logitech's SilentTouch Technology decreases sound levels by more than 90%. An independent lab evaluated left-click dBA at 1m of clicking noises, all while assuring the mouse functions optimally. That is, you may feel every click but hear almost nothing. The M590 has a curved form for optimum palm support, as well as soft rubber side grips and a scroll wheel for greater control. The ergonomic design is also small and wireless, allowing you to work anywhere in the office, at school, or home behind your desk. The Logitech M590 Wireless Mouse comes with a 01-year warranty.