10 Programmable Buttons, Fast, Ergonomic Elegance Design 800 dpi Optical Computer Mouse (USB) 10 programmable buttons for fast access to office applications or programming of gaming hot keys,USB Stylish ergonomic elegance design fits to both right and left hands comfortably Compatible with all PC Models, MACs and works with Windows 98, ME, 2000, Windows NT, and XP, Vista Advanced optical sensor means exceptionally smooth tracking CD driver is included to program the bottoms if you desire to change the functionality of hot keys