Dell Alienware RGB Gaming Mouse AW510M, Wired - USB (1 x USB - 4 pin USB Type A), Optical, 16000 dpi, Buttons Qty: 10, 40 G maximum acceleration, polling rate: 1000 Hz, 400 inches per second, Cable Length: 2m, Auto- calibration, adjustable scrolling wheel, nylon braided cord, 10 programmable buttons, Omron technology, 50 million clicks, 5 on-the-fly DPI settings, 16.8 million AlienFX lighting, Dimensions & Weight: Height: 4.92cm, Width: 7.76cm, Depth: 13.37cm, Starting Weight: 91g, Color: Dark side of the moon