Meet one of the newest models of the Adesso Trackball product line, the Adesso iMouse T50. This device is cable-free by utilizing the 2.4 GHz radio frequency technology, offering a wireless range of up to 30 feet. Its also fully programmable, meaning every mouse button can be customized to your preferred function with its programmable driver. With its 5 levels of DPI resolutions (400-4800), the optical trackball provides superior accuracy and smooth motion, reducing hand movement and space.