Pro compact silent keyboard and mouse - KM555 - US international (QWERTY) Work quietly wherever you are with a compact, silent keyboard and mouse combination that connects seamlessly via dual-mode connectivity. Enjoy silence while working This silent, space-saving keyboard and mouse combination fits into any workspace and minimises distracting noises in open-plan offices. Silent combination at work Stay focused with silent keys and a mouse that clicks, scrolls and glides without making any distracting noises.