Oqo 02, 1.5/1/120GB, unit works perfect, window vista ultimate edition with table pc, Microsoft office 2007 professional installed, full sets of installation disc copied to harddrive, perfect for on the go working office, sale comes with pc, digitizer pen, power supply, a working battery that holds full charge, choice of OS, Windows XP tablet pc edition, or Vista ultimate, default is Vista, check the photo before purchase, thank you,