Ergonomic design The M618Plus Vertical Mouse owes its shape to a snail shell, combining ergonomics with a vertical side grip that effectively replaces the traditional mouse shape. This allows the mouse to become a natural extension of the arm, reducing the need to cross the arm bones, which translates into comfort while working. It's made of a leather-like material with non-slip tabs for even more comfortable handling. High precision The Delux brand product has a range of levels - 800 / 1200 / 1600 / 2400 / 4000, so you can set your own precision to move the mouse. Unlike a conventional mouse, with the different settings, you can work on a large screen area with fewer movements. Built-in software With built-in memory, the mouse will remember your setting. Each button is programmable to meet your needs for office work, internet surfing and gaming. In addition, the M618Plus Vertical Mou...