Singleslotcardreader/writer:SD/MMCorMS1)FullSpeedUSBV1.1orV2.0connectivity2)Readandwriteflashmemorycard3)Trulyplug-and-play,hotswappable4)Perfectformobileuser5)AconvenientandfastdataexchangedeviceforMP3,PDA,anddigitalcamera6)USBbus-powered,noexternalpowersupplyisneeded7)PowerLEDindicator8)SupportMicrosoftwindows98/98SE,windowME/2000/XP,Linuxcore2.4andMacOS8.6andabove