... MSPRO, MSDUO, PDUO, SM, MMC and RSMMC. Description:USB 2.0 card reader read XD, MD, CF, Min SD, ... SM, MMC and RSMMC.Features:* Support USB v2.0 specification and USB Device Class Definition for Mass Storage, Bulk ... Built-in 3.3V to 2.5V regulator . Specifications:* Power Supply: Bus-powered* Interface: USB 2.0 (480Mbps)* System ... X,* Packing: RW251 card reader, manual USB 2.0 Card Reader (GF-CR-RW251)