HP USB 3 Button Optical Mouse (KY619AA#ABA) Brand new, and authentic HP products ship from, and are sold by Amazon.com (check above) Smooth, accurate, and affordable USB-connected optical mouse for the desktop; 2 buttons plus clickable scroll whee Symmetric design has textured sides for enhanced control; rubber scroll wheel is easy to grip Non-stick Feet for smooth and accurate movement on most surfaces Show your style with the piano-black finish and sculpted edges Compatible with Microsoft Windows XP, Windows Vista, Windows 7; 1-year limited warranty