Description: brand new and high quality. Feature: 3 buttons, including scroll wheel, left button, right button. Intelligent connectivity, no need to code, plug and for play. It adopts ergonomic design which is suitable for most people's hand feeling and ensures you cannot feel fatigued after working for a long for time. Compatible for Windows 98/XP/Vista/7/8 or latest. Wired Game Mouse only, other accessories demo in the picture is not included! Specifications: Item Type: Wired Game Mouse Model: M20 Surface Effect: frosted Interface: USB Type: wired type DPI: 1200DPI Material: ABS Total Length: 130cm/51.18in(with cable) Color: Purple, Black Supported System: for Windows 98, for XP, for Vista, for 7, for 8 Quantity: 1 Pc Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Wired Game Mouse