Durable aluminum alloy enclosure provides a robust build and effective heat dissipation, helping extend the life of the USB switch. Plugandplay operation with no software required. Simply connect and use. 4 USB ports for sharing peripherals. Easily share up to four USB devices (such as scanners, USB hard drives, printers, and other USB peripherals) between multiple computers without swapping cables. Keyboard, mouse, and monitor sharing. Use a single keyboard, mouse, and monitor to control up to four PCs, reducing desk clutter and improving workflow. Compatibility and ease of integration. Works with standard USB devices and can be incorporated into existing multihost setups without extra software. Use scenarios Small office or home office: share a scanner and external storage across four PCs while using one keyboard, mouse, and monitor. IT lab or testing environment: switch between multiple test machines with common USB peripherals for faster workflows. Creative or development workstation: connect USB drives and other peripherals to several machines and switch as needed while keeping a clean workspace. Key attributes Function: USB peripheral sharing across multiple hosts; supports keyboard, mouse, and monitor use with multiple computers. Material: Aluminum alloy shell for durability and heat dissipation. Portability and setup: Plugandplay, no drivers or apps required. Performance and compatibility: Designed to work with standard USB devices and common multihost configurations.