Feature: Support 4K30HZ HD picture quality, adaptive screen resolution Support key switch PC1/PC2. Highly integrated digital chip combination, plug and play. Interface: 2* pc input USB port, 2* pc input -compatible port, 1* output -compatible port, 2* HUB port, 1* keyboard port, 1* mouse port Material:shell anti-rust, anti-corrosion. anti-interference, fast transmission, oxidation Product Name: -compatible + USB *4 KVM Switch (2 in 1 out) Resolution: 4Kx2K 30Hz 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 / 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.