Perman 1200 DPI USB Wired Optical Gaming Game Mice Mouse for Computer PC Laptop Gamer Blue Size: Approx: 7.7cmX9.7cmX3.7cm. DPI: 1200dpi. It use for home, office. Easy and convenient to use. 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. Compatible for operating systems Window 7Window Vista, Window XP, Mac iOS.