4x2 Matrix Switcher with USB for Video Conferencing
Crestron USB-EXT-2-LOCAL: Info, summary and ratings
Creston DigitalMedia USB Extenders - VTC UC Group
Buy USB Switch Selector 4 Port, AIMOS USB KVM Switcher 4 Computers Sharing 4 USB Devices One-Button Swapping, for Share Mouse, Keyboard, Printer, Scanner, with 4 USB Cables Online in Hungary. B085915CTB