The 4K HDMI KVM Switch by Hiynjlik allows users to easily switch between two computers on a single monitor, with support for 4 USB ports and 1 PD adapter for added connectivity. The switch is designed for universal compatibility, featuring HDMI 2.0 connections for both input and output. The sleek black design and compact size make it a versatile and efficient solution for managing multiple computer setups. Made in China, this KVM switch box offers reliable performance with an output voltage of 5V, making it a convenient and essential tool for any computer setup.