LOGITECH MX Vertical Advanced Ergonomic MouseMX Vertical is an advanced ergonomic mouse that combines a smart and efficient design with the high performance of the Logitech MX series. The hand holds at a natural angle that relieves the wrist and gives a smaller load on the forearms. The 57 ° vertical angle provides optimum ergonomic working position without compromising performance. The mouse sensor detects movements with a precision of 4000 DPI, which is given 4 times shorter hand movements * and less load. Simply press the Marker Speed Shift button, you can change the DPI speed. MX Vertical works for up to four months at full charge - and one minute of fast charge provides three hours of use