Features: 1. Support USB2.0, compatible USB1.1 2. Hot-Swappable Supported, Plug and Play 3. O/S supported 4. Windows 98/ME/2000/XP/Mac8.6 5. LED indication for both power on and Operation 6. Low Power Consumption, Suitable for Desktop & NoteBook PC Card supported: CFI card MS MG Pro card SM card CFII card MS MG Duo card XD card MD card MS MG Pro Duo card UTMA FISH card MS card SD card TIME card MS Pri card MINI-SD card Alarm clock card MS DUO card MMCI card Calculator card MS Pro Duo card MMCII card Calendar card MS MG card RS-MMC card