Features: 1) Hot-swappable supported, compliant to USB 2.0 2) Reader and writer support: compact flash / micro drive / smart media / multimedia / secure 3) Digital card / memory stick / memory stick pro / XD-picture 4) Read high speed over 4.3MBps, write high speed over 1.3MBps 5) Icon beside the card slots, easy to distinguish 6) LED working indicator light compact and streamline design on its shape 7) Support Windows 98 / 2000 / XP, Mac OS V9.2 or higher