... USB card reader, computer card reader, multi card reader 2. with one year warranty 3. OEM service provided 4. blister pack 1. USB 2.0 four in one card reader, computer card reader, USB card reader, all in one card reader, single card reader, multi card reader, 2.0 card reader,2.Fully compliant with USB 2.0 ... XP/Vista/Mac OS/Windows7 6. Embedded usb cable design for convenience7. Transfer files ...