Keep four USB PCs under one control surface and move between them with less friction. This 4-port roaming KM switch hub shares keyboard, mouse, audio, and USB peripherals across connected systems, giving operators a single point of control for multi-PC workflows. Mouse roaming and hotkey switching are built for speed. Instead of stopping to replug devices or open software panels, users can move from one system to another with direct input control. That makes the unit well suited to desks where analysts, support staff, and technical operators need to work across multiple machines throughout the day. USB 2.0 support and stereo audio output extend the shared-peripheral model beyond basic input switching. The result is a cleaner workstation with fewer cables, fewer interruptions, and a more disciplined layout for environments where every second at the desk matters. For teams that need practical multi-system access without the complexity of network-based KVM management, this hub delivers a straightforward hardware answer.