Two computers share one printer. Two computers share one printer. No need to repeatedly plug and unplug when switching printing. Effectively protect native equipment and reduce office costs Electronic switch is . The electronic switch is more than ordinary switches. You can switch back and forth with the touch of a button, making printing faste It only takes 1 second to print files. USB2.0 standard, the theoretical transfer rate is up to 60MB/s. It only takes 1 second to transfer files to the printer, making office work more efficient Intelligent control chip, smooth switching, using high-performance main control chip, stable and highly compatible, smooth switching, improving work efficiency Suitable for a variety of devices. Two computers can share USB devices to improve office efficiency. No power supply is required. Plug and play. It can be used normally when connected to the printing port. No external power supply is required