XILALU Professional Colorful Backlight 4000DPI Optical Wired Gaming Mouse Mice Adjustable DPI Switch: 1200/2500/3200DPI/4000DPI. Switch Life: 5 million cycle. Size: 130(L) x 71(W) x 43(H)mm. Compatible with Windows XP, Vista, Windows 7, ME, 2000 and Mac OS...or latest. User for: The high-end players, gaming professional players.