Discontinued The Braillenote PK is a braille notetaker and personal digital assistant (PDA) designed for use by individuals who are blind or have low vision. This notetaker has an eight-key braille keyboard, speech output, and an 18-cell braille display with thumb navigation by line, sentence, or paragraph. Additional features include Bluetooth technology for connecting to wireless devices, USB functionality, WiFi (wireless) connectivity, Internet Explorer browser, and KeySoft media player.