Perman Portable 1800DPI USB Optical Wired Gaming Mouse Mice for Computer PC Laptop Gamer Blue Size: Approx: 105x70x34mm. The length of the line: Approx: 1.5m. DPI: 1800dpi. Easy and convenient to use for home, office. Compatible with operating systems Window 7Window Vista, Window XP, Mac iOS. Sensitive buttons, long service life, over 5 million clicks, ensure the normal work in harsh environments. Suitable for game enthusiasts, fashionable young, commercial office crowd, long time computer workers. Drawing process, excellent feel. Ergonomic design, makes you feel natural and comfortable, long fierce game will not feel tired.