Asus WT425 Optical Wireless Mouse comes with Simple design that works with every PC in total plug and play every time. This mouse features advanced tracking technology with resolutions up to 1600DPI. A dedicated switch lets you easily select sensitivity levels of 1000 and 1600DPI; while its silent mouse click design means you can use it in quiet environments. thi8s mouse designed with Wheel, Forward (Internet), Backward (Internet) and Silent click deign (up to 3000k life times). In this mouse, the dedicated switch gives you easily select sensitivity levels of 1000 and 1600DPI. Here, the Quality lenses and tracking ensure true to form input in every application and on all surfaces . The latest Asus WT425 Mouse offers 01 year warranty.