Qisan USB Wired 1600 DPI Adjustable LED Cool Gaming Mouse(White) Natural Curves that Fit Your Hand and Smooth-gliding Underside Tips Provide You with Epic Comfort and Control Blue Wing LED Light Looks Like an Eye Waiting and Watching in the Dark Night. No Additional Software or Driver Installation is Needed,Plug and Play. 600~1000~1600 DPI Switch for Quick on-the-fly DPI Adjustment,durable braided cable. 600~1000~1600 DPI Switch for Quick on-the-fly DPI Adjustment,durable braided cable. Built-weight Iron,Measureable Weight,feel comfortable