The Memorex PC/MAC Universal Card Reader 3250-8220 is a versatile card reader that supports various memory card types including CompactFlash II, Memory Stick, and CompactFlash I. It is designed to be compatible with both PC and MAC systems, offering flexibility for users with different devices. The card reader connects via USB for easy and convenient use, making it a practical accessory for transferring data and files from memory cards to computers. With the Memorex brand reputation, users can expect a reliable and efficient card reader for their computing needs.