... .System:Win2000/XP/VISTA/7/Mac 4.Vocie SMSTelephonebook Wireless USB Modem with Voice ,SMS , Telephonebook Description :1,Standard USB connector , insert ... download up to2.4 Mbps.3,The card separates from machine, in area of whole country ,it can be used ... , ovonic SMS, statistics of network flow ,time ,history calls, and telephone bookAuto installationYesSupport system Windows2000/XP/VISTA/7/Mac