This certainly makes plenty of gumption : a compounding cellphone / organizer for the blind . The ALVA MPO 5500 is a tri - band GSM phone that has a Braille computer keyboard , a digital speech synthesiser , and a “ screen ” made of refreshable Braille prison cell . It can do schoolbook messaging and upcoming versions are supposed to admit email , a entanglement web internet browser , GPS , and an MP3 player .
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