100% brand new and high qualityType: Wired MouseButtons: 7 buttons with scroll wheel.Max DPI: 5500 DPIAjustable DPI Switch: 1600-2400-3200-5500DPISwitch Life: 5 million cycleSize: 130*86*39mmCompatible :Windows XP, Vista, Windows 7/8, ...User for: The high-end players & gaming professional players

Note:

About the slient mouse version , only the right and left button is silent ,the dpi button and forword back button has some

noise

Package Include:1 X Gaming Mouse