Can be set up with smaller keys for children with limited range of motion. Some can function as both keyboard and mouse. The rate at which key strikes are repeated can be lowered for children who dwell on a key, reducing unwanted numbers or letters. Miniature Keyboards are smaller versions of a standard keyboard. Lightweight and small.
Keys are close together.
Small size affords easy key access for children with limited range of motion. Some have built-in trackballs. Chording keyboards use a small number of keys that must be pressed in combination to produce input. The limited number of keys decreases visual clutter. Keys can be set up for frequently used words and phrases.