KVM switch ATEN CS64US, from 2x USB A, 1x VGA, 1x 3.5mm jack to 4x USB A, 4x VGA), 4x 3.5mm jack

4-port KVM switch for USB computers with the ability to share USB devices through the mouse console port, which can be plugged into a USB hub.
Supports resolutions up to 2048 x 1536, built-in cables, compact design, multi-platform support.

One USB console controls 4 USB computers
The mouse's USB port can be used to plug in a USB 1.1 hub and share USB 1.1 peripherals
Switch with keyboard shortcuts
Supports sound switching
Supports Windows, Linux, Mac and Sun computers
Compact design with built-in cables, 0.9 / 1.2 m
Resolutions up to 2048 x 1536; DDC2B
Video DynaSync™ - an exclusive ATEN technology that eliminates video problems when layering computers and optimizes resolution when switching between them
Supports multimedia keyboards
Supports wireless keyboards and mice
Supports multi-functional mice
Supports Sun/Mac keyboards and their emulation
Auto Scan function to switch ports at a set interval
It does not require its own power supply
Support firmware upgrade