Clearly Superior Technologies SAM Trackball Switch Adapted Mouse Device,SAM Trackball,Each,H-39-USBPrice: USD251.19 Clearly Superior Technologies SAM Trackball Switch Adapted Mouse Device allows to plug switches into it for PC or Mac for a variety of purposes. It operates all special needs software that can be operated by a mouse click or simple keystroke. It functions as regular mouse device and switch interface.Other products from H e a l t h P r o d u c t s F o r Y o u |