Students with a wide array of abilities will benefit from design of the Clevy2 Keyboard. Large keys, coupled with the color-coding of consonants, vowels and function keys OR the high contrast keyboard model make these boards a great choice for beginning literacy learners, those just learning keyboarding skills, or persons with visual impairments. It’s cross-platform and comes with both PS2 and USB connections. Clevy boards are solidly constructed, have a dwell function switch and a variety of protectors, making it a must have!?