4 IN 1 OUT KVM SWITCH HDMI- to control your 4 computers by desktop controller or 4 buttons from KVM switch. Through this product with 3 ports front USB hub, 4 computer hosts or other signal sources can share 1 set of monitor, keyboard, mouse or U disk etc. 4K@30HZ HDMI KVM SWITCH - It is a 4K HD audio and video HDMI switch, widely used in various fields such as multimedia, office, conference, learning, securities, etc. PLUG AND PLAY - The KVM Switch 4 Port Displayport does not need to install any driver software, convenient installation, quick response. Greatly improves work efficiency and quality, it is a good helper for your work and life WIDE COMPATIBILITY - Supports all kinds of computer operating systems, such as Windows 11/10/8.1/8/7/XP/Vista, Mac OS, Linux, Android system, etc. Compatible with laptop PC PS4 Xbox HDTV, etc. PACKAGE INCLUDES - 4 Port HDMI KVM Switch*1, Desktop Controller*1, 1.5m HDMI with External USB Head 2 in 1 Cable*4, User Manual*1.