Aptico Wireless Ergonomic 1600dpi Laser Trackball Mouse, Black-redThe aptico wireless trackball unites comfort with functionality unlike practically any other input device. Compared to standard mice, no additional space is required to move the cursor around, so you can make maximum use of every precious centimetre of desk space. And it offers all this with the same amount of functions plus maximum precision even when you don't have a mousepad. Another huge plus point is that your hand stays in a relaxed position, so