1) USB 2.0 compatible; 2) Support Win98/ME/2000/XP/2003 or above, Linux2.2.7 or above; 3) Mac OS 9 or Mac OS X 4) Cards supported: SM, XD,CF, CF II, CF Ultra II, Micro Drive, SD, Mini SD, SD Ultra, MMC, MMC II,RS-MMC, HS-MMC, SDC, T-Flash, MS, MS Pro, MS MG, MS MG Pro, MS Duo, MS MG Duo, MS Pro Duo, MS MG Pro Duo.