The Ugreen 2-in-1 Out USB 2.0 Sharing Switch is ideal for allowing two computers to share a USB device. Simply press the switch button to change the controlling computer. A liberation from endless disconnecting and reconnecting and tangled USB cables. Simplify use and tidy up your desk. With the USB Sharing Box, two PCs can share a USB device, such as a printer, scanner, camera, keyboard and any other device with a USB connection.