2 computer share a printers, so there is not need to plugging in / out repeatedly when switching printing, which effectively protects equipment and reduces cost Suitable for variety of devices, 2 computer can share USB devices to improve efficiency Crafted from metal, this USB splitter is ensuring it can withstands daily use without compromising on Use highly main control chip, stable use and highly compatibility switches smooth, improving work efficiency This innovative USB2.0 / 3.0 allows two computer to share a single Printers, making easy to manage your printing needs in both home and environment