ASUS WT300 RF /BK-RD mouse Office Ambidextrous RF Wireless Optical 1600 DPIThe ASUS WT300 wireless optical mouse has a compact, ergonomic design that ensures comfort even after long hours of use. Symmetrical body is ideal for both left and right handed users. The WT300 has a precise optical sensor with two sensitivity settings: You can easily switch from the default 1000 DPI to 1600 DPI by simultaneously pressing the click wheel and right button WT300 also features an energy efficient design that provides up to 15 months of