A more natural fit. A more comfortable workday.From login to logoff. your every move matters. Your comfort matters too. The HP Ergonomic Vertical Mouse is designed to keep your hand in a more relaxed. natural upright position as you click. drag. and scroll through your day. Whether you're grinding on a project. editing vacation photos. or handling the day-to-day. you'll find even more comfort with the unique. detachable wrist rest.