New E-Blue Cobra 6 Buttons Optical USB Gaming Mouse,an deal chioce for Gaming at all levels E-3lue Cobra develop in high performance for playing games. Providing all your need of gaming basic functions. Included ultrafast response buttons, special Lightweight metal add in middle of mouse body.Tracking and slide control with excellent performance.Moveover corbra came with a 3 level adjustable resolution feature: 600/1000/1600dpi(can be switched easily with the dpi buttom). Applicable for entry to advanced users. Package Include: 1 x Opitical Mouse 1 x Retail Box Package