Ergoguys E-Quill-AirO2Bic Mouse System: * Complete vertical mouse system * Works in "Functional Neutral" position to increase comfort and reduce injuries * Universally Assistive Technology for those with disabilities * Simple installation * Can reduce the over 5,000 average clicks per day to a few hundred * Feedback system records clicks * Includes mouse and E-Quill-Liberator Clickless software * Color: Black