All-In-One USB 2.0 Card Reader / Writer. We all have digital devices that are a part of our daily lives. From MP3 players to PDAs and SmartPhones from Digital Cameras to GPS Receivers and they all use various (and often different formats) of media cards. The Mobile Edge Card Reader/Writer simplifies your life by reading all of these cards in one convenient place. USB 2.0 means no drivers to install as well as blazing fast transfer speeds. All of this in an ultra-compact device! Compatible with SmartMedia xD Secure Digital MMC MemoryStick MS Pro Duo CompactFlash and MicroDrive cards.