BRAILLEX EL 66s is a desktop unit with 66 interactive Braille cells. 66 cells perfectly accommodate the proportionally spaced text lines of a Windows document. Even long lines rarely have more than 130 characters. The Easy Access Bar makes it a very attractive medium-size Braille display., , Thanks to USB "plug & play" and "hot swap" features, you simply connect the Braille display to your computer, start your favourite screen reader program and go! Alternatively, you can also connect the device to a serial port of your computer.