Detailed Product Description computer mouse,mini optical mouse,computer part 800 DPI-----Higher distinguish surface ability in desktop; OEM,ODM are accepted , ROHS ,CE ,FCC certificated Switch key life : 3000000 times; Compatible for Windows 95/98/ME/NT/2000/XP; Optional interface: PS / 2, USB, U + P; The best advertising gifts,smooth surfaces,variety colors for choose Ergonomics design,support ...