he optical sensor technology is one of the most significant upgrades by computer mice.\n\nThrough the replacement of the control ball and all other movable parts, which were in the past necessary for the movement, now the optical mouse is nonwearing and more precise than a normal mouse with control ball ever will be.\n\nNo incalculable mouse movements anymore\nThe optical sensor gives 800 signals per second to the digital signal processor, whereby unwanted jumps will be avoid, which appear by normal mice with control ball.\n\nNo cleaning necessary\nThrough the economise from moveable parts you haven´t any pollution, which makes the optical mouse almost maintenance-free.\n\nNo mouse pad necessary\nThe mouse is so accurate that it can be used on almost every flush surface.\n\nEasy side navigation\nThe scroll wheel allows you to browse and search easily in documents and in the World Wide Web.