Hand Orientation: Both Hands Operating System Supported: Windows XP Windows Vista Windows 7 System Requirement: USB port Features: Sleek & deadly Call of Duty Black Ops II design. Delivers what you need to for hours of clandestine missions. Rubberized anti-sweat, matte finish provides excellent grip. Light up your wheel, CPI indicator or Call of Duty logo. Or turn it all off. CPI toggle for on-the-fly high/low sensitivity adjustments. Scalable pointer speed from 90 up to 5670 in increments of 90. Improved durability and black rubber, tangle-free cord. Program your buttons, define your sensitivity, and create profiles.