- The ergonomic design provides perfect assistance for the intensive, everyday movements of left-handed people - Vertically designed mouse prevents excessive strain and pain in the shoulder and wrist - Dpi switch for adjusting the pointer speed - High-resolution optical sensor ensures precise and smooth control of the mouse cursor - Browser buttons provide quick access to the forward/back functions in the Web browser for easy navigation - Rubberized surface for improved grip and comfort - Storable USB receiver can be transported inside the mouse to save space - Separate on/off switch allows for energy-saving use of the mouse