The Aluratek AUCR200 Multi-Media card reader gives you fast easy transfer of data between your flash media and computer and a form factor convenient both for use and for carrying. The 3-slot reader connects by a USB 2.0 plus on a short cord so it doesn't block your other USB ports.It reads Secure Digital Multi-Media Card miniSD microSD RS-MMC Sony Memory Stick (MS MS-Pro MS-Duo and MS-Pro Duo) media. Please see specifications section for a complete list of compatible media types. It supports slot-to slot read/write functions as well so you dont need to upload to the computer before downloading to a second media card.It's compatible with Windows 98SE ME 2000 XP and Vista and Mac OS X (v. 10.3.9) and higher. The slim stylish reader will fit easily into your briefcase or backpack and will look great on your desktop.