Feature: Support 4K30HZ HD picture quality, adaptive screen resolution Support key switch PC1 or PC2. Highly integrated digital chip combination, plug and play. Interface: 2x pc input USB port, 2x pc input -compatible port, 1x output -compatible port, 2x HUB port, 1x keyboard port, 1x mouse port Material:shell anti-rust, anti-. anti-interference, fast transmission, oxidation Product Name: -compatible and USB x4 KVM Switch (2 in 1 out) Resolution: 4Kx2K 30Hz Description: This product is beautiful in design, portable, powerful, and easy to use.For laptops, computers and other devices with -compatible interface. After the device is connected, multiple applications can be completed (1)1 set of keyboard or mouse and one display can control two devices for efficient office work (2)the two devices share a printer, U disk, hard disk and other devices. The product supports 4K60Hz high-definition output, and has a wide range of application scenarios (such as office switching, video conferencing, multi teaching, securities finance, etc.), which can save office costs, convenient operation, plug and play. Material: plastic colour: black Package Contents: 1 x -compatible KVM Switch 2 x USB Cables 1 x English User Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.