1.USB 1.1 or 2.0 card reader. 2.Professional Factory 3.kinds of colors&items 4 ... .Free sample for evaluation Product specification:1.Full speed USB V 1.1 or V 2.0 connectivity.2 ... data exchange device for MP3,PDA,Digital Camera,etc6.USB interface7.USB bus-powered,no external power supply is needed.8 ... IBM PC or 100% IBM PC compatible system with USB port3.Microsoft windows 98/98 SE,Windows ME,Windows 2000 ...