Remove your memory card from your digital camera, put directly into the Lexar Multi-Card Reader, then drag and drop your files into your computer. Or, with its USB connectivity, you can take a file from your digital camera, video camcorder, MP3 player or PDA and move it from the device to your computer. This reader can read and write: CompactFlash, SmartMedia, Memory Stick, Memory Stick Duo, Memory Stick PRO Duo, Memory Stick Pro, MMC, SD and xD-Picture Card. A two-year limited warranty comes with the reader.