Viking USB Flash Memory Stick Reader Memory (MSREAD/U) Reads and writes to all brands of MemoryStick Reads and writes at 1.5 MB per second (10X) allowing fast file transfer to and from your flash card Compatible with most Windows and Macintosh environments Computer recognizes the card reader as an additional drive on your computer; allowing the utmost in flexibility and convenience Five year replacement warranty and 30-day money-back guarantee