Specifications:

VisionBoard Large Key Keyboard in Black finish... With Chester Creek Technologies' VisionBoard you can outsmart arthritis and start seeing all you've been missing. The VisionBoard was created for anyone who struggles with vision or dexterity issues. Its innovative design reduces eyestrain and improves finger contact and keyboarding control. The VisionBoard has big 1" oversized keys for better control and contact large bold letters and numbers to improve readability and high-contrast white-on-black lettering proven to be easier on the eyes. The VisionBoard also works on a MAC. USB connector includes PS/2 adaptor; RoHS compliant FCC CE.