Kouwell USB 1.1 Hub 3 Ports + Parallel + Serial Pack Size: 1 pack Minimum Bulk Purchase: 1 x 1 pack (1 total) Combining a 3-port USB hub, a single EPP/ECP capable parallel port, and a single serial port into one external box, this hub covers all of the popular I/O standards. Setup is quick and easy due to USB's plug and play architecture. Specifications: Supports mice, keyboards, scanners, printers, Zip drives, HDDs, digital cameras, modems, and other USB/serial/parallel devices 1 upstream B-type USB Port(to host PC) 3 downstream A-type USB Ports 1 25-pin IEEE 1284 ECP/EPP/SPP high speed parallel port 1 9-pin 16C550 UART high speed serial port Supports UHCI and OHCI specification Fully compliant with USB Specification Supports Windows 98/2000 operating systems Fully Plug-N-Play compatible Weight: 0.70 Kg