Nuance Dragon NaturallySpeaking Preferred 9 EN, Pengenalan suara, PC, 1000 MB, 512 MB, Intel Pentium / AMD 1 GHz, Microsoft Windows XP (SP1) Home & Professional, 2000 (SP4).
Nuance Dragon NaturallySpeaking Preferred 9 EN. Tipe: Pengenalan suara. Platform: PC, Ruang kosong harddisk minimal: 1000 MB, RAM minimal: 512 MB. Tipe media yang didukung: CD-ROM