1. Fully compliant with USB 1.1 and USB 2.0 and IEEE 1284 specifications, fully compatible with all parallel printers
2. Bi-directional parallel interface communication
3. Up to 12 Mbps Data Transfer Rate
4. Low power consumption, no need addition power adapter
5. The USB to DB25 Female adapter allows you to connect existing reliable printers (e.g. HP) to use with new computers (desktops, notebook, etc) that do not have a parallel port but does have a USB port. For most customers, customers extend their existing printer cable (which has a DB25 Male ending) and connect to the DB25 Female end of this cable. Then the USB cable connects to their computer.
6.The DB25 Male connector has 25 pins arranged in two rows one on top of the other. The top row has 13 holes and the bottom row has 12 holes.7. Bi-directional parallel interface communiction;
8. Fully compatible with all parallel printers;