Ugreen 4-Port KVM Switch (Black)

UGREEN 4 Port USB KVM VGA Switch Box: allows you to control 4 computers
with only one set of controls and display screen (mouse and keyboard).
Supports maximum resolution up to 1920x1080@60Hz, backup compatible
with 720P, 480P. Please note this VGA switch only transfer video. For
audio output, please directly connect your speaker to the 3.5mm
interfaces of computer/PC. Portable and Easy to Use: 3 USB Type A
connectors, 4 USB Type B connectors, 4 VGA IN connectors and 1 VGA OUT
connector.