PERIMICE-303UP 7Button 2000dpi USB+PS2 Gaming laser mouse

7 Button Laser Gaming Mouse 800/1600/2000 dpi Resolution with dpi Switch dpi Indication Blue or Red Lighting Wheel 40x Surface Tracking Speed Ergonomic Design with Soft-touch Rubber Black Painting IBM or Compatible PC System Win 2000/ME/XP/Vista USB & PS2 Interface