KinderBoard is a large key, large print keyboard designed for use by children with motor skill disabilities. This keyboard has oversized keys color-coded to teach by character set. The keys are color-coded by consonants, vowels, numbers, and punctuation marks to help pre-school children learn character sets. The keyboard also has two USB 2.0 side ports and oval function (F) keys. COMPATIBILITY: For use on IBM and compatible personal computers or Macintosh computers. SYSTEM REQUIREMENTS: Windows 98SE, 2000, ME, XP, or Vista or MAC OS 10.1.5 or higher and a USB port. DIMENSIONS: 19 x 1.5 x 7 inches. Keys are 1-inch square. COLOR: Black case with red, yellow, blue, and green keys. The keytop labels are white. WARRANTY: Limited lifetime warranty.