Trackballs were in due time popular enough control means, however and touchpads they have not sustained a competition to mice. Nevertheless release by company Kensington of gadget SlimBlade which is a successful combination of the usual mouse and the trackball became an excellent gift for those who about them all the same has not forgotten. The gadget is equipped by four control buttons and has very thin case. The device provides convenient management of reproduction of media files, viewing of pictures and cursor modes. Kensington SlimBlade works both on PC, and on Mac platforms, and the price makes it $130.