Wireless Technologies USB Micro SD Card Reader with 1 GB Micro SD Card Compact design for mobile user Includes 1gb Micro SD card High-speed USB 2.0 (backwards compatible with USB 1.1) transfer rate of up to 480Mbps LED power/status indicators Transfer files between your computer and digital devices. Plug and play for PC platform. Works with default driver from Windows Me/2000/XP and Mac OS X.