This document describes a USB bridge device called USBee that allows direct transfer of data between USB drives without needing a computer. It summarizes the key features and benefits of USBee, which include portable design powered by a 9V supply, fast 512 kb/sec transfer speed, transparent file copying between drives, no access permission issues, and a custom user interface. The document then provides background on NTFS file systems, bootloaders, and in-system programming concepts relevant to USBee's architecture and functionality. It concludes with acknowledgements and suggestions for future modifications to USBee.