This 4 port USB KVM Switcher Selector support 2 computers to share 4 USB 2.0 peripheral devices like keyboards, mouse, U disk, printer, scanner. Without keep pulling cables or setting up complicated network sharing software, this keyboard mouse switch takes out the limited space at your desk, greatly improving work efficiency。 With the USB switcher button and LED indicator design, you can freely switch multiple USB devices between two computers with one click and clearly know the working status. It's convenient for you to switch freely between your work computer and personal computer, driver free and compatible with multiple OS, such as windows 7/10/8/8.1/7/Vista/XP and Mac OS, Linux, and Chrome OS.