Gotd 1200 DPI USB Wired Optical Gaming Game Mice Mouse Baby Dolphins Blue DPI: 1200dpi. Ergonomic design, makes you feel natural and comfortable, long fierce game will not feel tired. Sensitive buttons, long service life, over 5 million clicks, ensure the normal work in harsh environments. Drawing process, excellent feel. Suitable for game enthusiasts, fashionable young, commercial office crowd, long time computer workers. Compatible for operating systems Window 7Window Vista, Window XP, Mac iOS. Size: Approx: 7.7cmX9.7cmX3.7cm. Also it use for home, office. Easy and convenient to use.