Sharing USB Sharing hub,an interchangeable button between 2 computers. Convenient and efficient, 2 computers share 4 USB devices, plug and play. Multiple switching modes,Support panel buttons and desktop controller switching, recommended desktop controller switching more convenient to use. 2 USB input 4 USB output, keyboard, mouse, USB printer, scanner, plotter, multifunction printer, Bluetooth equipment and other USB devices can be used with 2 computers that save money and time. If the USB port is connected to a wireless keyboard and mouse, please make sure that the working distance is within the range of product requirements (within 1 meter for a single USB device and within 0.3 meters for multiple USB devices).<br><br>If the power of external devices is large, please connect the power supply for them. Please connect the desktop controller if you need to switch from a distance. The product does not support video transmission. Note:Due to different production batches, the colors and styles of accessories are random and cannot be specified. Colour:Black Material:ABS<br><br>Package Contents: 1 * USB3.0 switch 2 input 4 output 1 * desktop controller 2 * USB cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.