card reader,all in one card reader,usb card reader,Memory Card Reader,SD Card Reader card reader,all in one card reader,usb card reader,Memory Card Reader,SD Card Reader1. the smallest all in one card reader, it can read high speed card, require no adapter2. USB2.03. Flash card supported: CF/MMC/SD/MS DUO4. Syetem required: Windows 98/XP; Macintosh OS V8.7 or high 3 in one card reader