4Port USB KVM and Peripheral Sharing 4port USB sharing switch to connect and share up to four USB peripherals among four computers. Use one keyboard, one mouse, and one monitor to control all four PCs or laptops. Plug and play design: no software or apps required. Easy setup and reliable operation. Mouse and keyboard sharing: control host devices (PCs and laptops) with a single keyboard, mouse, and monitor, while simultaneously accessing shared USB peripherals. Aluminum alloy shell: robust construction with effective heat dissipation to extend the life of the USB switch. Core benefits: reduces cable clutter, eliminates constant cable swapping, and streamlines multidevice workflows by centralizing control and peripheral access. Typical use scenarios Small office or IT workstation: four computers in a single workspace share USB devices and a single console, simplifying management and improving efficiency. Home office or creative setup: easily switch between a desktop and multiple laptops using one keyboard, mouse, and monitor, while keeping USB peripherals shared. Testing or QA lab: quickly switch between devices to test peripherals and workflows without reconnecting cables or reconfiguring setups.