1,Professional factory 2,Good quality&price 3,Fast delivery 4,CE/RoHs Features1.Optical positioning, accurate, ... plastic and metal, and even in your clothes.2.Sensitivity of the 800-1600DPI Adjustable design, excellent ... Jieneng for the perfect combination.4.You can directly move the mouse up and down without moving ... Windows2000/WindowsXP / Windows2003 / Mac Cute animal tail shape wireless mouse