Easy to operate PlugandPlay design requires no app or software. 4 Port USB sharing Share four USB peripherals among four PCs without constantly swapping cables. Suitable for devices such as scanners, USB hard drives, and other USB peripherals. Use a single keyboard, mouse, and monitor to control four PCs. Material and construction An aluminum alloy shell provides a sturdy, heatdissipating enclosure that helps extend the life of the USB switch. Mouse and keyboard sharing Control multiple hosts (laptops or desktops) with one set of keyboard, mouse, and monitor. Use scenarios Small office or multi‑user workspace: A single keyboard, mouse, and monitor can control four PCs, while four USB devices such as a scanner or external drive are shared across all machines. Home lab or development environment: Access USB peripherals like drives or scanners from any of four connected computers without swapping cables. Classroom or training lab: Teach or demonstrate across four computers using one input and display setup, simplifying hardware management and reducing clutter.