Description: 3 buttons, including scroll wheel, left button, right button It adopts ergonomic design which is suitable for most people's hand feeling and ensures you cannot feel fatigued after working for a long time. Compatible for Windows 95/98/NT/ME/2000/XP/VISTA Optical resolution of 1000 DPI, accurate positioning USB plug and play, no driver required Package Includes: 1Pcs USB Wired Mouse
