1. Compliant with USB specification V2.0.2. Supports bus & external power(+5V S. W. ).3. Runs at 12-480Mhz frequency.4. Plug & play.5. Aluminum made case.6. Support SM/CF I/CF II/MD/SD/Mini SD/T Flash/MMC I/MMC II/RS-MMC/MS/MS PRO MS Duo/MS MG/MS MG PRO/MS MG Duo/MS MG PRO Duo/MS PRO Duo/XD(Option).7. Support slot-to-slot read/write operation.8. Support LED for bus activity indication
USB HUB & Card reader