Chester creek Wireless VisionBoard Keyboard White Keys The Wireless VisionBoard computer keyboard offers a big advantage to people who find it painful or difficult to use a traditional keyboard, with applications in such places as assistive living communities, manufacturing facilities, special educational institutions, adult daycare and home use The Wireless VisionBoard improves readability and reduces eyestrain with big 1" square keys and large, bold black-on-white letters and numbers Users with low vision or functional limitations can increase and improve capabilities with greater comfort and control Connector: Wireless micro USB receiver Operating System: Windows 98SE, 2000, ME, XP, Vista, Windows 7, MAC OS 10.1.5 and higher