Qisan SM-8509II 1800DPI Blue LED Color 5 Button USB Wired Gaming Mouse Built for gamers: up to 1800DPI (selective 600/1200/1800 DPI), 125 Hz polling rate, 8G acceleration and PAN3509 chipest 6 buttons, including Wheel Key, Left Button, Right Button, forward, reverse, DPI Switcher Blue LED color gaming mouse Package List: 1 x Gaming Mouse