For an affluent lifestyle added comfort enhanced entertainment or simply something that looks starry and celeb-inspired HP creates a smart geek-world for you. Get all the capabilities of the most advanced brand HP and be ready for the ultimate performances.About Product:It is great for use at home and Office. Its high-precision Optical sensor provides precise smooth and responsive tracking. Its feauters symmetric sculpted design for right or left handed comfort.Key Features:Model : �BR369AAInterface :�USBCompatability :�Windows/Mac/LinuxTracking Method :�OpticalButtons :�3 Buttons