GGI CompactFlash Single Slot Memory Card Reader, USB 2.0, Type I / II Compatible with microSD/TransFlash Cards: Reads CompactFlash memory cards and transfer their data to your PC without the need for a card adapter USB Compatible: USB 1.1 & USB 2.0 Compatible with transfer rate up to 40 Mbps and supports Hot-swappable, Plug & Play use. The unit also Auto-detects cards when inserted Small & Compact: Small, external design makes it ideal for use in combination with PDAs, Digital Cameras and Laptop Computers USB Powered: With low power consumption, the reader is powered by the USB connection, with a LED power indicator