Infogrip,Inc.
Description: Do you keyboard with one one hand? The BAT is a chorded keyboard that replicates all the functions of a full-size keyboard ... REALLY.
Some people find the chording system of the BAT allows them to to type letters, numbers, commands and macros faster and with less hand strain than many other one hand keyboards.
The USB BAT is PC or Macintosh compatible.
User's Guide (pdf)
PC Manual (pdf)