USB port Credit Card Reader for window system:Windows98 SE, ME, 2000, Server 2003, XP ... driver Smart Card Interface:T=1, T=0 protocol support,Memory card support through SCM MCARD API*,Communication speed up to 344 ... (smartcards working at 5v,3v and 1.8v) ,Support read and write on Smartcard with ISO/IEC 7816-1,2,3,4 ... on top of PC/SC).Certificate:RoHS,CE. smart card reader on phone