This USB switch allows 2 computers to share 1 USB device such as printer, scanner, mouse, keyboard, card reader, flash drive and other USB devices. The USB 3.0 switch selector supports ultra-fast USB 3.0 data transfer and is backward compatible with USB 2.0 and USB 1.1 devices. Save your time and increase efficiency. The USB 3.0 switch is suitable for 2 computers, and the two computers can be switched freely with one key, sharing 1 USB 3.0 peripheral device. For example, two computers can easily share 1 printer. Good helper for work! This USB 3.0 switch has excellent compatibility, no driver, works with 10/8/8.1/7/Vista/XP and , Linux and Chrome OS, just plug and play. LED indicators let you easily know which computer is in control. Compatible with most USB devices: keyboards, mice, USB printers, scanners, USB drives, card , etc. Can be used in workplaces such as: control rooms, offices, libraries, schools. Material:plastic colour:Black Package Contents: 4 x Switch 8 x USB cable 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.